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131100063 = 343700021
BaseRepresentation
bin1111101000001…
…10110110011111
3100010200120110220
413310012312133
5232030200223
621001532423
73151221633
oct764066637
9303616426
10131100063
1168003466
1237aa4113
1321212403
14135a8dc3
15b7996e3
hex7d06d9f

131100063 has 4 divisors (see below), whose sum is σ = 174800088. Its totient is φ = 87400040.

The previous prime is 131100049. The next prime is 131100089. The reversal of 131100063 is 360001131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131100063 - 25 = 131100031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131100763) 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 3 ways as a sum of consecutive naturals, for example, 21850008 + ... + 21850013.

It is an arithmetic number, because the mean of its divisors is an integer number (43700022).

Almost surely, 2131100063 is an apocalyptic number.

131100063 is a deficient number, since it is larger than the sum of its proper divisors (43700025).

131100063 is an equidigital number, since it uses as much as digits as its factorization.

131100063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43700024.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 131100063 is about 11449.8935802915. The cubic root of 131100063 is about 508.0045866761.

Adding to 131100063 its reverse (360001131), we get a palindrome (491101194).

The spelling of 131100063 in words is "one hundred thirty-one million, one hundred thousand, sixty-three".

Divisors: 1 3 43700021 131100063