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78874106084 = 2237277528973
BaseRepresentation
bin100100101110101000…
…0110101100011100100
321112120212112201220022
41021131100311203210
52243013232343314
6100122333454312
75461400561024
oct1113520654344
9245525481808
1078874106084
11304a5416344
1213352941398
13758cab90b7
143b63419a84
1520b972078e
hex125d4358e4

78874106084 has 12 divisors (see below), whose sum is σ = 138033649404. Its totient is φ = 39435920544.

The previous prime is 78874106053. The next prime is 78874106173. The reversal of 78874106084 is 48060147887.

It can be written as a sum of positive squares in 2 ways, for example, as 27765556900 + 51108549184 = 166630^2 + 226072^2 .

It is a super-2 number, since 2×788741060842 (a number of 23 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 115379 + ... + 413594.

It is an arithmetic number, because the mean of its divisors is an integer number (11502804117).

Almost surely, 278874106084 is an apocalyptic number.

It is an amenable number.

78874106084 is a deficient number, since it is larger than the sum of its proper divisors (59159543320).

78874106084 is a wasteful number, since it uses less digits than its factorization.

78874106084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566254 (or 566252 counting only the distinct ones).

The product of its (nonzero) digits is 2408448, while the sum is 53.

The spelling of 78874106084 in words is "seventy-eight billion, eight hundred seventy-four million, one hundred six thousand, eighty-four".

Divisors: 1 2 4 37277 74554 149108 528973 1057946 2115892 19718526521 39437053042 78874106084