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120131404224 = 26313373312893
BaseRepresentation
bin110111111100001100…
…0111100000111000000
3102111002011102122012120
41233320120330013000
53432012114413344
6131104304524240
711451653042046
oct1577030740700
9374064378176
10120131404224
1146a47056057
121b347920680
13b4364a5050
145b58990396
1531d17b0219
hex1bf863c1c0

120131404224 has 112 divisors (see below), whose sum is σ = 342415745952. Its totient is φ = 36950740992.

The previous prime is 120131404223. The next prime is 120131404249. The reversal of 120131404224 is 422404131021.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 120131404194 and 120131404203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120131404223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9311122 + ... + 9324014.

It is an arithmetic number, because the mean of its divisors is an integer number (3057283446).

Almost surely, 2120131404224 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 120131404224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171207872976).

120131404224 is an abundant number, since it is smaller than the sum of its proper divisors (222284341728).

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

120131404224 is a wasteful number, since it uses less digits than its factorization.

120131404224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16654 (or 16644 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 120131404224 its reverse (422404131021), we get a palindrome (542535535245).

The spelling of 120131404224 in words is "one hundred twenty billion, one hundred thirty-one million, four hundred four thousand, two hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 64 78 96 104 156 192 208 312 416 624 832 1248 2496 3733 7466 11199 12893 14932 22398 25786 29864 38679 44796 48529 51572 59728 77358 89592 97058 103144 119456 145587 154716 167609 179184 194116 206288 238912 291174 309432 335218 358368 388232 412576 502827 582348 618864 670436 716736 776464 825152 1005654 1164696 1237728 1340872 1552928 2011308 2329392 2475456 2681744 3105856 4022616 4658784 5363488 8045232 9317568 10726976 16090464 32180928 48129569 96259138 144388707 192518276 288777414 385036552 577554828 625684397 770073104 1155109656 1251368794 1540146208 1877053191 2310219312 2502737588 3080292416 3754106382 4620438624 5005475176 7508212764 9240877248 10010950352 15016425528 20021900704 30032851056 40043801408 60065702112 120131404224