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15240341131312 = 2411292985960253
BaseRepresentation
bin1101110111000110101100…
…0111101001000000110000
31222221221222120120212102111
43131301223013221000300
53444144204312200222
652225152134055104
73132035601123253
oct335615307510060
958857876525374
1015240341131312
114946435287820
12186181b4aa494
1386720919074b
143a98ca5a309a
151b6682506777
hexddc6b1e9030

15240341131312 has 40 divisors (see below), whose sum is σ = 33323316434640. Its totient is φ = 6688550964480.

The previous prime is 15240341131307. The next prime is 15240341131319. The reversal of 15240341131312 is 21313114304251.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (15240341131319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1492975023 + ... + 1492985230.

It is an arithmetic number, because the mean of its divisors is an integer number (833082910866).

Almost surely, 215240341131312 is an apocalyptic number.

It is an amenable number.

15240341131312 is an abundant number, since it is smaller than the sum of its proper divisors (18082975303328).

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

15240341131312 is a wasteful number, since it uses less digits than its factorization.

15240341131312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2985960301 (or 2985960295 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 15240341131312 its reverse (21313114304251), we get a palindrome (36553455435563).

The spelling of 15240341131312 in words is "fifteen trillion, two hundred forty billion, three hundred forty-one million, one hundred thirty-one thousand, three hundred twelve".

Divisors: 1 2 4 8 11 16 22 29 44 58 88 116 176 232 319 464 638 1276 2552 5104 2985960253 5971920506 11943841012 23887682024 32845562783 47775364048 65691125566 86592847337 131382251132 173185694674 262764502264 346371389348 525529004528 692742778696 952521320707 1385485557392 1905042641414 3810085282828 7620170565656 15240341131312