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68700083610 = 2352290002787
BaseRepresentation
bin111111111110110110…
…000001010110011010
320120022211022211211010
4333332312001112122
52111144210133420
651321013114350
74651311034644
oct777666012632
9216284284733
1068700083610
1127154451704
12113936289b6
13662b03b762
14347a117894
151bc143a4e0
hexffed8159a

68700083610 has 16 divisors (see below), whose sum is σ = 164880200736. Its totient is φ = 18320022288.

The previous prime is 68700083597. The next prime is 68700083653. The reversal of 68700083610 is 1638000786.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1145001364 + ... + 1145001423.

It is an arithmetic number, because the mean of its divisors is an integer number (10305012546).

Almost surely, 268700083610 is an apocalyptic number.

68700083610 is an abundant number, since it is smaller than the sum of its proper divisors (96180117126).

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

68700083610 is a wasteful number, since it uses less digits than its factorization.

68700083610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2290002797.

The product of its (nonzero) digits is 48384, while the sum is 39.

The spelling of 68700083610 in words is "sixty-eight billion, seven hundred million, eighty-three thousand, six hundred ten".

Divisors: 1 2 3 5 6 10 15 30 2290002787 4580005574 6870008361 11450013935 13740016722 22900027870 34350041805 68700083610