Search a number
-
+
68279911002 = 2326415917829
BaseRepresentation
bin111111100101110011…
…001100001001011010
320112020112200212100200
4333211303030021122
52104314124123002
651211203243030
74635016444632
oct774563141132
9215215625320
1068279911002
1126a59258816
1211296979476
136591c86304
14343a3c16c2
151b995deb1c
hexfe5ccc25a

68279911002 has 24 divisors (see below), whose sum is σ = 148170627540. Its totient is φ = 22724459520.

The previous prime is 68279910953. The next prime is 68279911019. The reversal of 68279911002 is 20011997286.

It can be written as a sum of positive squares in 2 ways, for example, as 54395766441 + 13884144561 = 233229^2 + 117831^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2947377 + ... + 2970452.

Almost surely, 268279911002 is an apocalyptic number.

68279911002 is an abundant number, since it is smaller than the sum of its proper divisors (79890716538).

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

68279911002 is a wasteful number, since it uses less digits than its factorization.

68279911002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5918478 (or 5918475 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The spelling of 68279911002 in words is "sixty-eight billion, two hundred seventy-nine million, nine hundred eleven thousand, two".

Divisors: 1 2 3 6 9 18 641 1282 1923 3846 5769 11538 5917829 11835658 17753487 35506974 53260461 106520922 3793328389 7586656778 11379985167 22759970334 34139955501 68279911002