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351400100436040 = 23531715417377761
BaseRepresentation
bin100111111100110001011011…
…0001010010001100001001000
31201002012112002012002022211011
41033321202312022101201020
5332024314401202423130
63243210551053013304
7134005551033440545
oct11771426612214110
91632175065068734
10351400100436040
11a1a6aa44794997
12334b383a784234
131210cb6c498a66
1462abbd9b11bcc
152a95aca36c52a
hex13f98b6291848

351400100436040 has 128 divisors (see below), whose sum is σ = 829180178749440. Its totient is φ = 133862077440000.

The previous prime is 351400100436023. The next prime is 351400100436041. The reversal of 351400100436040 is 40634001004153.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 351400100435993 and 351400100436011.

It is not an unprimeable number, because it can be changed into a prime (351400100436041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43940760 + ... + 51318520.

It is an arithmetic number, because the mean of its divisors is an integer number (6477970146480).

Almost surely, 2351400100436040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 351400100436040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (414590089374720).

351400100436040 is an abundant number, since it is smaller than the sum of its proper divisors (477780078313400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

351400100436040 is a wasteful number, since it uses less digits than its factorization.

351400100436040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7378415 (or 7378411 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The spelling of 351400100436040 in words is "three hundred fifty-one trillion, four hundred billion, one hundred million, four hundred thirty-six thousand, forty".

Divisors: 1 2 4 5 8 10 20 31 40 62 71 124 142 155 248 284 310 355 541 568 620 710 1082 1240 1420 2164 2201 2705 2840 4328 4402 5410 8804 10820 11005 16771 17608 21640 22010 33542 38411 44020 67084 76822 83855 88040 134168 153644 167710 192055 307288 335420 384110 670840 768220 1190741 1536440 2381482 4762964 5953705 7377761 9525928 11907410 14755522 23814820 29511044 36888805 47629640 59022088 73777610 147555220 228710591 295110440 457421182 523821031 914842364 1047642062 1143552955 1829684728 2095284124 2287105910 2619105155 3991368701 4190568248 4574211820 5238210310 7982737402 9148423640 10476420620 15965474804 16238451961 19956843505 20952841240 31930949608 32476903922 39913687010 64953807844 79827374020 81192259805 123732429731 129907615688 159654748040 162384519610 247464859462 283387177771 324769039220 494929718924 566774355542 618662148655 649538078440 989859437848 1133548711084 1237324297310 1416935888855 2267097422168 2474648594620 2833871777710 4949297189240 5667743555420 8785002510901 11335487110840 17570005021802 35140010043604 43925012554505 70280020087208 87850025109010 175700050218020 351400100436040