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13412231983 = 23583140521
BaseRepresentation
bin11000111110110111…
…00110101100101111
31021121201110222102201
430133123212230233
5204432012410413
610054514402331
7653240043103
oct143733465457
937551428381
1013412231983
115762945447
1227238903a7
131359906a57
149133d5903
1553772e9dd
hex31f6e6b2f

13412231983 has 4 divisors (see below), whose sum is σ = 13995372528. Its totient is φ = 12829091440.

The previous prime is 13412231981. The next prime is 13412231999. The reversal of 13412231983 is 38913221431.

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 13412231983 - 21 = 13412231981 is a prime.

It is a super-2 number, since 2×134122319832 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13412231981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 291570238 + ... + 291570283.

It is an arithmetic number, because the mean of its divisors is an integer number (3498843132).

Almost surely, 213412231983 is an apocalyptic number.

13412231983 is a deficient number, since it is larger than the sum of its proper divisors (583140545).

13412231983 is an equidigital number, since it uses as much as digits as its factorization.

13412231983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583140544.

The product of its digits is 31104, while the sum is 37.

The spelling of 13412231983 in words is "thirteen billion, four hundred twelve million, two hundred thirty-one thousand, nine hundred eighty-three".

Divisors: 1 23 583140521 13412231983