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131120002 = 21321133433
BaseRepresentation
bin1111101000010…
…11101110000010
3100010201120211101
413310023232002
5232031320002
621002205014
73151334026
oct764135602
9303646741
10131120002
1168017442
1237ab376a
132121b500
14135b2386
15b7a0587
hex7d0bb82

131120002 has 24 divisors (see below), whose sum is σ = 214920324. Its totient is φ = 59963904.

The previous prime is 131119979. The next prime is 131120021. The reversal of 131120002 is 200021131.

It can be written as a sum of positive squares in 6 ways, for example, as 40401 + 131079601 = 201^2 + 11449^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36478 + ... + 39910.

Almost surely, 2131120002 is an apocalyptic number.

131120002 is a deficient number, since it is larger than the sum of its proper divisors (83800322).

131120002 is a wasteful number, since it uses less digits than its factorization.

131120002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3574 (or 3561 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 131120002 is about 11450.7642539701. The cubic root of 131120002 is about 508.0303394987.

Adding to 131120002 its reverse (200021131), we get a palindrome (331141133).

The spelling of 131120002 in words is "one hundred thirty-one million, one hundred twenty thousand, two".

Divisors: 1 2 13 26 113 169 226 338 1469 2938 3433 6866 19097 38194 44629 89258 387929 580177 775858 1160354 5043077 10086154 65560001 131120002