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55322110013 = 232405309131
BaseRepresentation
bin110011100001011101…
…000110100000111101
312021210111022101001112
4303201131012200331
51401244430010023
641225320451405
73665635114322
oct634135064075
9167714271045
1055322110013
1121509986085
12a87b319b65
1352a856b051
14296b4bcb49
15168bc26478
hexce174683d

55322110013 has 4 divisors (see below), whose sum is σ = 57727419168. Its totient is φ = 52916800860.

The previous prime is 55322110009. The next prime is 55322110027. The reversal of 55322110013 is 31001122355.

It is a happy number.

55322110013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 55322110013 - 22 = 55322110009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 2405309131 = 55322110013 / (5 + 5 + 3 + 2 + 2 + 1 + 1 + 0 + 0 + 1 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55322110003) 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, 1202654543 + ... + 1202654588.

It is an arithmetic number, because the mean of its divisors is an integer number (14431854792).

Almost surely, 255322110013 is an apocalyptic number.

It is an amenable number.

55322110013 is a deficient number, since it is larger than the sum of its proper divisors (2405309155).

55322110013 is a wasteful number, since it uses less digits than its factorization.

55322110013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2405309154.

The product of its (nonzero) digits is 900, while the sum is 23.

Adding to 55322110013 its reverse (31001122355), we get a palindrome (86323232368).

The spelling of 55322110013 in words is "fifty-five billion, three hundred twenty-two million, one hundred ten thousand, thirteen".

Divisors: 1 23 2405309131 55322110013