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12747900727694 = 21123154916264351
BaseRepresentation
bin1011100110000001101000…
…0110000011000110001110
31200010200120010020120221002
42321200122012003012032
53132330200041241234
643040145454140302
72454001602215246
oct271403206030616
950120503216832
1012747900727694
114075399695160
12151a7661b1692
13716177a04982
143210048b6b26
151719073eb27e
hexb981a18318e

12747900727694 has 32 divisors (see below), whose sum is σ = 21781220198400. Its totient is φ = 5538987036000.

The previous prime is 12747900727691. The next prime is 12747900727699. The reversal of 12747900727694 is 49672700974721.

It is a self number, because there is not a number n which added to its sum of digits gives 12747900727694.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12747900727691) 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, 7348382 + ... + 8915969.

It is an arithmetic number, because the mean of its divisors is an integer number (680663131200).

Almost surely, 212747900727694 is an apocalyptic number.

12747900727694 is a deficient number, since it is larger than the sum of its proper divisors (9033319470706).

12747900727694 is a wasteful number, since it uses less digits than its factorization.

12747900727694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16265936.

The product of its (nonzero) digits is 74680704, while the sum is 65.

The spelling of 12747900727694 in words is "twelve trillion, seven hundred forty-seven billion, nine hundred million, seven hundred twenty-seven thousand, six hundred ninety-four".

Divisors: 1 2 11 22 23 46 253 506 1549 3098 17039 34078 35627 71254 391897 783794 16264351 32528702 178907861 357815722 374080073 748160146 4114880803 8229761606 25193479699 50386959398 277128276689 554256553378 579450033077 1158900066154 6373950363847 12747900727694