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139831898107 = 11171063703447
BaseRepresentation
bin1000001000111010100…
…0010110111111111011
3111100221010101102022011
42002032220112333323
54242333431214412
6144123214510351
713050110344216
oct2021650267773
9440833342264
10139831898107
1154336508760
12231255053b7
1310255ac5915
146aa719077d
1539860b87a7
hex208ea16ffb

139831898107 has 16 divisors (see below), whose sum is σ = 161669233152. Its totient is φ = 119529544320.

The previous prime is 139831898099. The next prime is 139831898113. The reversal of 139831898107 is 701898138931.

It is a cyclic number.

It is not a de Polignac number, because 139831898107 - 23 = 139831898099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139831898117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152943 + ... + 550504.

It is an arithmetic number, because the mean of its divisors is an integer number (10104327072).

Almost surely, 2139831898107 is an apocalyptic number.

139831898107 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

139831898107 is a deficient number, since it is larger than the sum of its proper divisors (21837335045).

139831898107 is a wasteful number, since it uses less digits than its factorization.

139831898107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704538.

The product of its (nonzero) digits is 2612736, while the sum is 58.

The spelling of 139831898107 in words is "one hundred thirty-nine billion, eight hundred thirty-one million, eight hundred ninety-eight thousand, one hundred seven".

Divisors: 1 11 17 187 1063 11693 18071 198781 703447 7737917 11958599 131544589 747764161 8225405771 12711990737 139831898107