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1013916231 = 33336111173
BaseRepresentation
bin111100011011110…
…010001001000111
32121122212021121000
4330123302021013
54034030304411
6244335424343
734061100666
oct7433621107
92548767530
101013916231
114803692a9
122436850b3
131320a0443
1498930ddd
155e02e956
hex3c6f2247

1013916231 has 16 divisors (see below), whose sum is σ = 1502679520. Its totient is φ = 675682560.

The previous prime is 1013916181. The next prime is 1013916259. The reversal of 1013916231 is 1326193101.

1013916231 is a `hidden beast` number, since 1 + 0 + 1 + 39 + 1 + 623 + 1 = 666.

It is not a de Polignac number, because 1013916231 - 27 = 1013916103 is a prime.

It is a super-2 number, since 2×10139162312 = 2056052246970490722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1013916195 and 1013916204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013916031) 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, 85161 + ... + 96333.

It is an arithmetic number, because the mean of its divisors is an integer number (93917470).

Almost surely, 21013916231 is an apocalyptic number.

1013916231 is a deficient number, since it is larger than the sum of its proper divisors (488763289).

1013916231 is a wasteful number, since it uses less digits than its factorization.

1013916231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14543 (or 14537 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 1013916231 is about 31842.0513001283. The cubic root of 1013916231 is about 1004.6173905564.

The spelling of 1013916231 in words is "one billion, thirteen million, nine hundred sixteen thousand, two hundred thirty-one".

Divisors: 1 3 9 27 3361 10083 11173 30249 33519 90747 100557 301671 37552453 112657359 337972077 1013916231