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12747900727508 = 22411597296316427
BaseRepresentation
bin1011100110000001101000…
…0110000011000011010100
31200010200120010020120200012
42321200122012003003110
53132330200041240013
643040145454135352
72454001602214562
oct271403206030324
950120503216605
1012747900727508
114075399695001
12151a7661b1558
13716177a0486b
143210048b6a32
151719073eb1a8
hexb981a1830d4

12747900727508 has 48 divisors (see below), whose sum is σ = 22876364032704. Its totient is φ = 6212118716160.

The previous prime is 12747900727489. The next prime is 12747900727519. The reversal of 12747900727508 is 80572700974721.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 776025191 + ... + 776041617.

It is an arithmetic number, because the mean of its divisors is an integer number (476590917348).

Almost surely, 212747900727508 is an apocalyptic number.

It is an amenable number.

12747900727508 is a deficient number, since it is larger than the sum of its proper divisors (10128463305196).

12747900727508 is a wasteful number, since it uses less digits than its factorization.

12747900727508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21032 (or 21030 counting only the distinct ones).

The product of its (nonzero) digits is 13829760, while the sum is 59.

The spelling of 12747900727508 in words is "twelve trillion, seven hundred forty-seven billion, nine hundred million, seven hundred twenty-seven thousand, five hundred eight".

Divisors: 1 2 4 41 82 164 1597 2963 3194 5926 6388 11852 16427 32854 65477 65708 121483 130954 242966 261908 485932 673507 1347014 2694028 4731911 9463822 18927644 26233919 48673201 52467838 97346402 104935676 194008351 194692804 388016702 776033404 1075590679 1995601241 2151181358 3991202482 4302362716 7982404964 77731101997 155462203994 310924407988 3186975181877 6373950363754 12747900727508