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57237786412 = 2216785685309
BaseRepresentation
bin110101010011101000…
…110100111100101100
312110201222222211001021
4311103220310330230
51414210333131122
642143352223524
74064256104602
oct652350647454
9173658884037
1057237786412
1122302269114
12b11499aba4
135522400091
142aadaa7872
15174eece1c7
hexd53a34f2c

57237786412 has 12 divisors (see below), whose sum is σ = 100765924560. Its totient is φ = 28447522256.

The previous prime is 57237786323. The next prime is 57237786413. The reversal of 57237786412 is 21468773275.

It is a self number, because there is not a number n which added to its sum of digits gives 57237786412.

It is not an unprimeable number, because it can be changed into a prime (57237786413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42841987 + ... + 42843322.

It is an arithmetic number, because the mean of its divisors is an integer number (8397160380).

Almost surely, 257237786412 is an apocalyptic number.

It is an amenable number.

57237786412 is a deficient number, since it is larger than the sum of its proper divisors (43528138148).

57237786412 is a wasteful number, since it uses less digits than its factorization.

57237786412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85685480 (or 85685478 counting only the distinct ones).

The product of its digits is 3951360, while the sum is 52.

The spelling of 57237786412 in words is "fifty-seven billion, two hundred thirty-seven million, seven hundred eighty-six thousand, four hundred twelve".

Divisors: 1 2 4 167 334 668 85685309 171370618 342741236 14309446603 28618893206 57237786412