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3215350013 = 23831134923
BaseRepresentation
bin1011111110100110…
…0101100011111101
322022002020201000112
42333221211203331
523041112200023
61251020035405
7142452011201
oct27751454375
98262221015
103215350013
1113aaa88067
12758992b65
133c31b4595
14227062b01
1513c431478
hexbfa658fd

3215350013 has 4 divisors (see below), whose sum is σ = 3215508768. Its totient is φ = 3215191260.

The previous prime is 3215350009. The next prime is 3215350027. The reversal of 3215350013 is 3100535123.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3215350013 - 22 = 3215350009 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 (3215350003) 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, 43631 + ... + 91292.

It is an arithmetic number, because the mean of its divisors is an integer number (803877192).

Almost surely, 23215350013 is an apocalyptic number.

It is an amenable number.

3215350013 is a deficient number, since it is larger than the sum of its proper divisors (158755).

3215350013 is a wasteful number, since it uses less digits than its factorization.

3215350013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158754.

The product of its (nonzero) digits is 1350, while the sum is 23.

The square root of 3215350013 is about 56704.0564069274. The cubic root of 3215350013 is about 1475.9650890617.

Adding to 3215350013 its reverse (3100535123), we get a palindrome (6315885136).

The spelling of 3215350013 in words is "three billion, two hundred fifteen million, three hundred fifty thousand, thirteen".

Divisors: 1 23831 134923 3215350013