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134515002400 = 25521735927551
BaseRepresentation
bin111110101000110111…
…0000000110000100000
3110212012120201010112221
41331101232000300200
54200441320034100
6141443443200424
712501256440442
oct1752156006040
9425176633487
10134515002400
1152058237279
12220a0976114
13c8b9401a9c
146720d9c492
15377441701a
hex1f51b80c20

134515002400 has 144 divisors (see below), whose sum is σ = 348682682880. Its totient is φ = 50498048000.

The previous prime is 134515002361. The next prime is 134515002403. The reversal of 134515002400 is 4200515431.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (134515002403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4868625 + ... + 4896175.

It is an arithmetic number, because the mean of its divisors is an integer number (2421407520).

Almost surely, 2134515002400 is an apocalyptic number.

134515002400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134515002400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174341341440).

134515002400 is an abundant number, since it is smaller than the sum of its proper divisors (214167680480).

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

134515002400 is a wasteful number, since it uses less digits than its factorization.

134515002400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27947 (or 27934 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 134515002400 its reverse (4200515431), we get a palindrome (138715517831).

The spelling of 134515002400 in words is "one hundred thirty-four billion, five hundred fifteen million, two thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 17 20 25 32 34 40 50 68 80 85 100 136 160 170 200 272 340 359 400 425 544 680 718 800 850 1360 1436 1700 1795 2720 2872 3400 3590 5744 6103 6800 7180 8975 11488 12206 13600 14360 17950 24412 27551 28720 30515 35900 48824 55102 57440 61030 71800 97648 110204 122060 137755 143600 152575 195296 220408 244120 275510 287200 305150 440816 468367 488240 551020 610300 688775 881632 936734 976480 1102040 1220600 1377550 1873468 2204080 2341835 2441200 2755100 3746936 4408160 4683670 4882400 5510200 7493872 9367340 9890809 11020400 11709175 14987744 18734680 19781618 22040800 23418350 37469360 39563236 46836700 49454045 74938720 79126472 93673400 98908090 158252944 168143753 187346800 197816180 247270225 316505888 336287506 374693600 395632360 494540450 672575012 791264720 840718765 989080900 1345150024 1582529440 1681437530 1978161800 2690300048 3362875060 3956323600 4203593825 5380600096 6725750120 7912647200 8407187650 13451500240 16814375300 26903000480 33628750600 67257501200 134515002400