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131010052 = 22297115907
BaseRepresentation
bin1111100111100…
…00111000000100
3100010112000000011
413303300320010
5232014310202
621000000004
73150365335
oct763607004
9303460004
10131010052
1167a51878
1237a60004
13211b0454
141358428c
15b77cbd7
hex7cf0e04

131010052 has 24 divisors (see below), whose sum is σ = 240528960. Its totient is φ = 62351520.

The previous prime is 131010037. The next prime is 131010071. The reversal of 131010052 is 250010131.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 283 + ... + 16189.

It is an arithmetic number, because the mean of its divisors is an integer number (10022040).

Almost surely, 2131010052 is an apocalyptic number.

It is an amenable number.

131010052 is a deficient number, since it is larger than the sum of its proper divisors (109518908).

131010052 is a wasteful number, since it uses less digits than its factorization.

131010052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16011 (or 16009 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 131010052 is about 11445.9622574950. The cubic root of 131010052 is about 507.8882977166. Note that the first 3 decimals are identical.

Adding to 131010052 its reverse (250010131), we get a palindrome (381020183).

The spelling of 131010052 in words is "one hundred thirty-one million, ten thousand, fifty-two".

Divisors: 1 2 4 29 58 71 116 142 284 2059 4118 8236 15907 31814 63628 461303 922606 1129397 1845212 2258794 4517588 32752513 65505026 131010052