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131406554023 = 4111273284311
BaseRepresentation
bin111101001100001110…
…0001110001110100111
3110120011221121121000021
41322120130032032213
54123110034212043
6140211202300011
712331243164643
oct1723034161647
9416157547007
10131406554023
1150802634a78
1221573957607
13c512409514
146508205c23
1536415a03ed
hex1e9870e3a7

131406554023 has 8 divisors (see below), whose sum is σ = 134624006496. Its totient is φ = 128189692800.

The previous prime is 131406554021. The next prime is 131406554053. The reversal of 131406554023 is 320455604131.

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

It is a cyclic number.

It is not a de Polignac number, because 131406554023 - 21 = 131406554021 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131406554023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131406554021) 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, 320038 + ... + 604348.

It is an arithmetic number, because the mean of its divisors is an integer number (16828000812).

Almost surely, 2131406554023 is an apocalyptic number.

131406554023 is a deficient number, since it is larger than the sum of its proper divisors (3217452473).

131406554023 is a wasteful number, since it uses less digits than its factorization.

131406554023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295625.

The product of its (nonzero) digits is 43200, while the sum is 34.

The spelling of 131406554023 in words is "one hundred thirty-one billion, four hundred six million, five hundred fifty-four thousand, twenty-three".

Divisors: 1 41 11273 284311 462193 11656751 3205037903 131406554023