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57623391264 = 2537925130271
BaseRepresentation
bin110101101010100111…
…110010110000100000
312111201212120120110110
4311222213302300200
51421003042010024
642245525131320
74106650513155
oct655247626040
9174655516413
1057623391264
112248a9a180a
12b201b59b40
13558427142a
142b08da222c
151773c9c629
hexd6a9f2c20

57623391264 has 96 divisors (see below), whose sum is σ = 153791447040. Its totient is φ = 18888480000.

The previous prime is 57623391227. The next prime is 57623391271. The reversal of 57623391264 is 46219332675.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 1888449 + ... + 1918719.

It is an arithmetic number, because the mean of its divisors is an integer number (1601994240).

Almost surely, 257623391264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57623391264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76895723520).

57623391264 is an abundant number, since it is smaller than the sum of its proper divisors (96168055776).

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

57623391264 is a wasteful number, since it uses less digits than its factorization.

57623391264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30614 (or 30606 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 48.

The spelling of 57623391264 in words is "fifty-seven billion, six hundred twenty-three million, three hundred ninety-one thousand, two hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 79 96 158 237 251 316 474 502 632 753 948 1004 1264 1506 1896 2008 2528 3012 3792 4016 6024 7584 8032 12048 19829 24096 30271 39658 59487 60542 79316 90813 118974 121084 158632 181626 237948 242168 317264 363252 475896 484336 634528 726504 951792 968672 1453008 1903584 2391409 2906016 4782818 7174227 7598021 9565636 14348454 15196042 19131272 22794063 28696908 30392084 38262544 45588126 57393816 60784168 76525088 91176252 114787632 121568336 182352504 229575264 243136672 364705008 600243659 729410016 1200487318 1800730977 2400974636 3601461954 4801949272 7202923908 9603898544 14405847816 19207797088 28811695632 57623391264