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68052847788 = 22335311889037
BaseRepresentation
bin111111011000010001…
…000000110010101100
320111122201102212012000
4333120101000302230
52103333012112123
651132452412300
74626261443022
oct773021006254
9214581385160
1068052847788
1126952070872
1211232917090
136556c14993
143418196712
151b846dbb43
hexfd8440cac

68052847788 has 48 divisors (see below), whose sum is σ = 179762254560. Its totient is φ = 22256275392.

The previous prime is 68052847721. The next prime is 68052847813. The reversal of 68052847788 is 88774825086.

68052847788 is a `hidden beast` number, since 6 + 80 + 5 + 2 + 8 + 477 + 88 = 666.

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, 5938795 + ... + 5950242.

It is an arithmetic number, because the mean of its divisors is an integer number (3745046970).

Almost surely, 268052847788 is an apocalyptic number.

It is an amenable number.

68052847788 is an abundant number, since it is smaller than the sum of its proper divisors (111709406772).

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

68052847788 is a wasteful number, since it uses less digits than its factorization.

68052847788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11889103 (or 11889095 counting only the distinct ones).

The product of its (nonzero) digits is 48168960, while the sum is 63.

The spelling of 68052847788 in words is "sixty-eight billion, fifty-two million, eight hundred forty-seven thousand, seven hundred eighty-eight".

Divisors: 1 2 3 4 6 9 12 18 27 36 53 54 106 108 159 212 318 477 636 954 1431 1908 2862 5724 11889037 23778074 35667111 47556148 71334222 107001333 142668444 214002666 321003999 428005332 630118961 642007998 1260237922 1284015996 1890356883 2520475844 3780713766 5671070649 7561427532 11342141298 17013211947 22684282596 34026423894 68052847788