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103405139875 = 535315608323
BaseRepresentation
bin110000001001101101…
…1010011011110100011
3100212220111000101000101
41200103123103132203
53143233203434000
6115300443003231
710320322121002
oct1402333233643
9325814011011
10103405139875
113a943562094
121805a209517
13999c114bcb
14500d3a8c39
152a53159e6a
hex18136d37a3

103405139875 has 16 divisors (see below), whose sum is σ = 131484521376. Its totient is φ = 81163274400.

The previous prime is 103405139869. The next prime is 103405139923. The reversal of 103405139875 is 578931504301.

It is a happy number.

It is not a de Polignac number, because 103405139875 - 215 = 103405107107 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7797537 + ... + 7810786.

It is an arithmetic number, because the mean of its divisors is an integer number (8217782586).

Almost surely, 2103405139875 is an apocalyptic number.

103405139875 is a deficient number, since it is larger than the sum of its proper divisors (28079381501).

103405139875 is an equidigital number, since it uses as much as digits as its factorization.

103405139875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15608391 (or 15608381 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 46.

The spelling of 103405139875 in words is "one hundred three billion, four hundred five million, one hundred thirty-nine thousand, eight hundred seventy-five".

Divisors: 1 5 25 53 125 265 1325 6625 15608323 78041615 390208075 827241119 1951040375 4136205595 20681027975 103405139875