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131152633 = 971917079
BaseRepresentation
bin1111101000100…
…11101011111001
3100010210020120221
413310103223321
5232033341013
621003020041
73151531123
oct764235371
9303706527
10131152633
1168039a07
1237b0a621
1321230311
14135c0213
15b7aa08d
hex7d13af9

131152633 has 8 divisors (see below), whose sum is σ = 133217280. Its totient is φ = 129102720.

The previous prime is 131152627. The next prime is 131152639. The reversal of 131152633 is 336251131.

It is an interprime number because it is at equal distance from previous prime (131152627) and next prime (131152639).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-131152633 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131152598 and 131152607.

It is not an unprimeable number, because it can be changed into a prime (131152639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14988 + ... + 22066.

It is an arithmetic number, because the mean of its divisors is an integer number (16652160).

Almost surely, 2131152633 is an apocalyptic number.

It is an amenable number.

131152633 is a deficient number, since it is larger than the sum of its proper divisors (2064647).

131152633 is an equidigital number, since it uses as much as digits as its factorization.

131152633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7367.

The product of its digits is 1620, while the sum is 25.

The square root of 131152633 is about 11452.1890047274. The cubic root of 131152633 is about 508.0724794284.

The spelling of 131152633 in words is "one hundred thirty-one million, one hundred fifty-two thousand, six hundred thirty-three".

Divisors: 1 97 191 7079 18527 686663 1352089 131152633