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77934183913 = 1072693270463
BaseRepresentation
bin100100010010100111…
…1010100010111101001
321110011100220202002001
41020211033110113221
52234102122341123
655445200011001
75426165430115
oct1104517242751
9243140822061
1077934183913
11300628a6963
1213130000a61
137470155431
143ab466a745
152061e5a0ad
hex12253d45e9

77934183913 has 8 divisors (see below), whose sum is σ = 78692041728. Its totient is φ = 77176872624.

The previous prime is 77934183881. The next prime is 77934183959. The reversal of 77934183913 is 31938143977.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 77934183913 - 25 = 77934183881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77934183013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152920 + ... + 423382.

It is an arithmetic number, because the mean of its divisors is an integer number (9836505216).

Almost surely, 277934183913 is an apocalyptic number.

It is an amenable number.

77934183913 is a deficient number, since it is larger than the sum of its proper divisors (757857815).

77934183913 is a wasteful number, since it uses less digits than its factorization.

77934183913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273263.

The product of its digits is 3429216, while the sum is 55.

The spelling of 77934183913 in words is "seventy-seven billion, nine hundred thirty-four million, one hundred eighty-three thousand, nine hundred thirteen".

Divisors: 1 107 2693 270463 288151 28939541 728356859 77934183913