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74886539812 = 2272674519279
BaseRepresentation
bin100010110111110010…
…1011110101000100100
321011021222020101022121
41011233211132220210
52211331423233222
654222530235324
75260521041260
oct1055745365044
9234258211277
1074886539812
1129839554827
121261b425b44
1370a592bc26
1438a59c10a0
151e346045c7
hex116f95ea24

74886539812 has 12 divisors (see below), whose sum is σ = 149773079680. Its totient is φ = 32094231336.

The previous prime is 74886539807. The next prime is 74886539831. The reversal of 74886539812 is 21893568847.

74886539812 is an admirable number.

It is a hoax number, since the sum of its digits (61) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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, 1337259612 + ... + 1337259667.

Almost surely, 274886539812 is an apocalyptic number.

It is an amenable number.

74886539812 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

74886539812 is a wasteful number, since it uses less digits than its factorization.

74886539812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2674519290 (or 2674519288 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 61.

The spelling of 74886539812 in words is "seventy-four billion, eight hundred eighty-six million, five hundred thirty-nine thousand, eight hundred twelve".

Divisors: 1 2 4 7 14 28 2674519279 5349038558 10698077116 18721634953 37443269906 74886539812