Search a number
-
+
68931796855132 = 22134437128186059
BaseRepresentation
bin11111010110001011011110…
…10000111110100101011100
3100001001211000102221121022001
433223011233100332211130
533013334304443331012
6402334455202532044
720343105120513031
oct1753055720764534
9301054012847261
1068931796855132
111aa668a1305002
12789353b367024
132c60318652313
141304461301388
157e811a7a5357
hex3eb16f43e95c

68931796855132 has 12 divisors (see below), whose sum is σ = 120631542739960. Its totient is φ = 34465641786576.

The previous prime is 68931796855073. The next prime is 68931796855151. The reversal of 68931796855132 is 23155869713986.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63555282 + ... + 64630777.

Almost surely, 268931796855132 is an apocalyptic number.

It is an amenable number.

68931796855132 is a deficient number, since it is larger than the sum of its proper divisors (51699745884828).

68931796855132 is a wasteful number, since it uses less digits than its factorization.

68931796855132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128320500 (or 128320498 counting only the distinct ones).

The product of its digits is 587865600, while the sum is 73.

The spelling of 68931796855132 in words is "sixty-eight trillion, nine hundred thirty-one billion, seven hundred ninety-six million, eight hundred fifty-five thousand, one hundred thirty-two".

Divisors: 1 2 4 134437 268874 537748 128186059 256372118 512744236 17232949213783 34465898427566 68931796855132