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40455310013 = 117239345067
BaseRepresentation
bin100101101011010100…
…110000101010111101
310212102101210200102022
4211223110300222331
51130323024410023
630330201405525
72631343314146
oct455324605275
9125371720368
1040455310013
111617aa71208
127a104998a5
133a794bb181
141d5ac4cacd
1510bb9737c8
hex96b530abd

40455310013 has 4 divisors (see below), whose sum is σ = 40455772320. Its totient is φ = 40454847708.

The previous prime is 40455310001. The next prime is 40455310043. The reversal of 40455310013 is 31001355404.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 40455310013 - 218 = 40455047869 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 (40455310043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55295 + ... + 289772.

It is an arithmetic number, because the mean of its divisors is an integer number (10113943080).

Almost surely, 240455310013 is an apocalyptic number.

It is an amenable number.

40455310013 is a deficient number, since it is larger than the sum of its proper divisors (462307).

40455310013 is a wasteful number, since it uses less digits than its factorization.

40455310013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462306.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 40455310013 its reverse (31001355404), we get a palindrome (71456665417).

The spelling of 40455310013 in words is "forty billion, four hundred fifty-five million, three hundred ten thousand, thirteen".

Divisors: 1 117239 345067 40455310013