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12747572072 = 2323411689763
BaseRepresentation
bin10111101111101000…
…01000001101101000
31012220101210202102222
423313310020031220
5202101334301242
65504532413212
7630616401104
oct136764101550
935811722388
1012747572072
115451743634
122579177208
131281cbc171
1488d01a904
154e91dd5d2
hex2f7d08368

12747572072 has 32 divisors (see below), whose sum is σ = 25549231680. Its totient is φ = 5947962240.

The previous prime is 12747572069. The next prime is 12747572081. The reversal of 12747572072 is 27027574721.

12747572072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 837338 + ... + 852425.

It is an arithmetic number, because the mean of its divisors is an integer number (798413490).

Almost surely, 212747572072 is an apocalyptic number.

It is an amenable number.

12747572072 is an abundant number, since it is smaller than the sum of its proper divisors (12801659608).

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

12747572072 is a wasteful number, since it uses less digits than its factorization.

12747572072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1689833 (or 1689829 counting only the distinct ones).

The product of its (nonzero) digits is 384160, while the sum is 44.

The spelling of 12747572072 in words is "twelve billion, seven hundred forty-seven million, five hundred seventy-two thousand, seventy-two".

Divisors: 1 2 4 8 23 41 46 82 92 164 184 328 943 1886 3772 7544 1689763 3379526 6759052 13518104 38864549 69280283 77729098 138560566 155458196 277121132 310916392 554242264 1593446509 3186893018 6373786036 12747572072