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76850872140 = 22357182978267
BaseRepresentation
bin100011110010010101…
…0110011111101001100
321100100212110210200210
41013210222303331030
52224342310402030
655145500522420
75360302430550
oct1074452637514
9240325423623
1076850872140
112a65734a779
1212a89250410
137329898653
143a10833860
151eebcbdbb0
hex11e4ab3f4c

76850872140 has 48 divisors (see below), whose sum is σ = 245922792192. Its totient is φ = 17565913536.

The previous prime is 76850872103. The next prime is 76850872151. The reversal of 76850872140 is 4127805867.

It is a self number, because there is not a number n which added to its sum of digits gives 76850872140.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91488714 + ... + 91489553.

It is an arithmetic number, because the mean of its divisors is an integer number (5123391504).

Almost surely, 276850872140 is an apocalyptic number.

76850872140 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

76850872140 is an abundant number, since it is smaller than the sum of its proper divisors (169071920052).

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

76850872140 is a wasteful number, since it uses less digits than its factorization.

76850872140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182978286 (or 182978284 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 48.

The spelling of 76850872140 in words is "seventy-six billion, eight hundred fifty million, eight hundred seventy-two thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 182978267 365956534 548934801 731913068 914891335 1097869602 1280847869 1829782670 2195739204 2561695738 2744674005 3659565340 3842543607 5123391476 5489348010 6404239345 7685087214 10978696020 12808478690 15370174428 19212718035 25616957380 38425436070 76850872140