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51672112074 = 232111913735277
BaseRepresentation
bin110000000111111001…
…011101101111001010
311221101010012021011200
4300013321131233022
51321311030041244
635423212405030
73506324464032
oct600771355712
9157333167150
1051672112074
111aa06618660
12a020a76776
134b4630375b
1427028368c2
15152658a669
hexc07e5dbca

51672112074 has 48 divisors (see below), whose sum is σ = 128562202080. Its totient is φ = 14834098080.

The previous prime is 51672112057. The next prime is 51672112091. The reversal of 51672112074 is 47021127615.

51672112074 is a `hidden beast` number, since 516 + 72 + 1 + 1 + 2 + 0 + 74 = 666.

It is an interprime number because it is at equal distance from previous prime (51672112057) and next prime (51672112091).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6863877 + ... + 6871400.

It is an arithmetic number, because the mean of its divisors is an integer number (2678379210).

Almost surely, 251672112074 is an apocalyptic number.

51672112074 is an abundant number, since it is smaller than the sum of its proper divisors (76890090006).

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

51672112074 is a wasteful number, since it uses less digits than its factorization.

51672112074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13735315 (or 13735312 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

Adding to 51672112074 its reverse (47021127615), we get a palindrome (98693239689).

The spelling of 51672112074 in words is "fifty-one billion, six hundred seventy-two million, one hundred twelve thousand, seventy-four".

Divisors: 1 2 3 6 9 11 18 19 22 33 38 57 66 99 114 171 198 209 342 418 627 1254 1881 3762 13735277 27470554 41205831 82411662 123617493 151088047 247234986 260970263 302176094 453264141 521940526 782910789 906528282 1359792423 1565821578 2348732367 2719584846 2870672893 4697464734 5741345786 8612018679 17224037358 25836056037 51672112074