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12857762352 = 243267870049
BaseRepresentation
bin10111111100110000…
…11110001000110000
31020012002011000002110
423332120132020300
5202313041343402
65523510245320
7633425114421
oct137630361060
936162130073
1012857762352
1154a8965186
1225aa056840
13129ba90006
1489d901648
15503c0756c
hex2fe61e230

12857762352 has 20 divisors (see below), whose sum is σ = 33215886200. Its totient is φ = 4285920768.

The previous prime is 12857762339. The next prime is 12857762377. The reversal of 12857762352 is 25326775821.

12857762352 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 267870049 = 12857762352 / (1 + 2 + 8 + 5 + 7 + 7 + 6 + 2 + 3 + 5 + 2).

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 3 ways as a sum of consecutive naturals, for example, 133934977 + ... + 133935072.

It is an arithmetic number, because the mean of its divisors is an integer number (1660794310).

Almost surely, 212857762352 is an apocalyptic number.

12857762352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12857762352 is an abundant number, since it is smaller than the sum of its proper divisors (20358123848).

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

12857762352 is a wasteful number, since it uses less digits than its factorization.

12857762352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267870060 (or 267870054 counting only the distinct ones).

The product of its digits is 1411200, while the sum is 48.

The spelling of 12857762352 in words is "twelve billion, eight hundred fifty-seven million, seven hundred sixty-two thousand, three hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 267870049 535740098 803610147 1071480196 1607220294 2142960392 3214440588 4285920784 6428881176 12857762352