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103405139874 = 2325744729993
BaseRepresentation
bin110000001001101101…
…1010011011110100010
3100212220111000101000100
41200103123103132202
53143233203433444
6115300443003230
710320322121001
oct1402333233642
9325814011010
10103405139874
113a943562093
121805a209516
13999c114bca
14500d3a8c38
152a53159e69
hex18136d37a2

103405139874 has 12 divisors (see below), whose sum is σ = 224044469766. Its totient is φ = 34468379952.

The previous prime is 103405139869. The next prime is 103405139923. The reversal of 103405139874 is 478931504301.

103405139874 is a `hidden beast` number, since 1 + 0 + 3 + 40 + 513 + 98 + 7 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 88592546025 + 14812593849 = 297645^2 + 121707^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2872364979 + ... + 2872365014.

Almost surely, 2103405139874 is an apocalyptic number.

103405139874 is an abundant number, since it is smaller than the sum of its proper divisors (120639329892).

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

103405139874 is a wasteful number, since it uses less digits than its factorization.

103405139874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5744730001 (or 5744729998 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 103405139874 in words is "one hundred three billion, four hundred five million, one hundred thirty-nine thousand, eight hundred seventy-four".

Divisors: 1 2 3 6 9 18 5744729993 11489459986 17234189979 34468379958 51702569937 103405139874