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15312400045424 = 24957139998903
BaseRepresentation
bin1101111011010011001000…
…1010100101010101110000
32000012211222111010222111022
43132310302022211111300
54001334243402423144
652322230334435012
73140166355600046
oct336646212452560
960184874128438
1015312400045424
114973a526a54a9
12187378b962a68
13870c5103c071
143ad1a480c396
151b849d765cee
hexded322a5570

15312400045424 has 20 divisors (see below), whose sum is σ = 29668088021136. Its totient is φ = 7656119265792.

The previous prime is 15312400045387. The next prime is 15312400045441. The reversal of 15312400045424 is 42454000421351.

It is a happy number.

15312400045424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×153124000454242 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3468044 + ... + 6530859.

Almost surely, 215312400045424 is an apocalyptic number.

It is an amenable number.

15312400045424 is a deficient number, since it is larger than the sum of its proper divisors (14355687975712).

15312400045424 is an equidigital number, since it uses as much as digits as its factorization.

15312400045424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10094624 (or 10094618 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 15312400045424 its reverse (42454000421351), we get a palindrome (57766400466775).

The spelling of 15312400045424 in words is "fifteen trillion, three hundred twelve billion, four hundred million, forty-five thousand, four hundred twenty-four".

Divisors: 1 2 4 8 16 95713 191426 382852 765704 1531408 9998903 19997806 39995612 79991224 159982448 957025002839 1914050005678 3828100011356 7656200022712 15312400045424