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139886295290 = 2571998375647
BaseRepresentation
bin1000001001000111011…
…1110111100011111010
3111101001220202002012122
42002101313313203322
54242441342422130
6144132440441242
713051340614460
oct2022167674372
9441056662178
10139886295290
1154364192105
122313b779222
13102641605c1
146ab04b0830
15398ac612e5
hex2091df78fa

139886295290 has 16 divisors (see below), whose sum is σ = 287766093312. Its totient is φ = 47961015504.

The previous prime is 139886295253. The next prime is 139886295317. The reversal of 139886295290 is 92592688931.

139886295290 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1398862952902 (a number of 23 digits) contains 22 as substring.

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, 999187754 + ... + 999187893.

It is an arithmetic number, because the mean of its divisors is an integer number (17985380832).

Almost surely, 2139886295290 is an apocalyptic number.

139886295290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139886295290 is an abundant number, since it is smaller than the sum of its proper divisors (147879798022).

139886295290 is a wasteful number, since it uses less digits than its factorization.

139886295290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1998375661.

The product of its (nonzero) digits is 16796160, while the sum is 62.

The spelling of 139886295290 in words is "one hundred thirty-nine billion, eight hundred eighty-six million, two hundred ninety-five thousand, two hundred ninety".

Divisors: 1 2 5 7 10 14 35 70 1998375647 3996751294 9991878235 13988629529 19983756470 27977259058 69943147645 139886295290