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131463107 = 756117387
BaseRepresentation
bin1111101010111…
…11011111000011
3100011101000110222
413311133133003
5232123304412
621013413255
73154263236
oct765373703
9304330428
10131463107
11682311a6
123803a22b
132130b729
141366141d
15b81c072
hex7d5f7c3

131463107 has 4 divisors (see below), whose sum is σ = 131488056. Its totient is φ = 131438160.

The previous prime is 131463077. The next prime is 131463127. The reversal of 131463107 is 701364131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 701364131 = 1353951087.

It is a cyclic number.

It is not a de Polignac number, because 131463107 - 222 = 127268803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131463127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1133 + ... + 16254.

It is an arithmetic number, because the mean of its divisors is an integer number (32872014).

Almost surely, 2131463107 is an apocalyptic number.

131463107 is a deficient number, since it is larger than the sum of its proper divisors (24949).

131463107 is an equidigital number, since it uses as much as digits as its factorization.

131463107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24948.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 131463107 is about 11465.7362170948. The cubic root of 131463107 is about 508.4730787938.

The spelling of 131463107 in words is "one hundred thirty-one million, four hundred sixty-three thousand, one hundred seven".

Divisors: 1 7561 17387 131463107