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12708784446 = 232677791233
BaseRepresentation
bin10111101011000000…
…01010100100111110
31012210200211010211020
423311200022210332
5202011422100241
65501025205010
7626635612461
oct136540124476
935720733736
1012708784446
115431860946
122568190766
131276c5b3c7
14887c012d8
154e5acab66
hex2f580a93e

12708784446 has 16 divisors (see below), whose sum is σ = 25427095824. Its totient is φ = 4234673664.

The previous prime is 12708784423. The next prime is 12708784453. The reversal of 12708784446 is 64448780721.

12708784446 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 379555 + ... + 411678.

It is an arithmetic number, because the mean of its divisors is an integer number (1589193489).

Almost surely, 212708784446 is an apocalyptic number.

12708784446 is an abundant number, since it is smaller than the sum of its proper divisors (12718311378).

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

12708784446 is a wasteful number, since it uses less digits than its factorization.

12708784446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793915.

The product of its (nonzero) digits is 2408448, while the sum is 51.

The spelling of 12708784446 in words is "twelve billion, seven hundred eight million, seven hundred eighty-four thousand, four hundred forty-six".

Divisors: 1 2 3 6 2677 5354 8031 16062 791233 1582466 2373699 4747398 2118130741 4236261482 6354392223 12708784446