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131416663 = 771926111
BaseRepresentation
bin1111101010101…
…00001001010111
3100011021122202211
413311110021113
5232120313123
621012414251
73154010650
oct765241127
9304248684
10131416663
11681aa314
1238017387
13212c3551
141364c527
15b80d40d
hex7d54257

131416663 has 8 divisors (see below), whose sum is σ = 150405120. Its totient is φ = 112481880.

The previous prime is 131416633. The next prime is 131416697. The reversal of 131416663 is 366614131.

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

It is not a de Polignac number, because 131416663 - 29 = 131416151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131416633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8023 + ... + 18088.

It is an arithmetic number, because the mean of its divisors is an integer number (18800640).

Almost surely, 2131416663 is an apocalyptic number.

131416663 is a deficient number, since it is larger than the sum of its proper divisors (18988457).

131416663 is an equidigital number, since it uses as much as digits as its factorization.

131416663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26837.

The product of its digits is 7776, while the sum is 31.

The square root of 131416663 is about 11463.7106994201. The cubic root of 131416663 is about 508.4131930313.

The spelling of 131416663 in words is "one hundred thirty-one million, four hundred sixteen thousand, six hundred sixty-three".

Divisors: 1 7 719 5033 26111 182777 18773809 131416663