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400330562213 = 3109128765057
BaseRepresentation
bin1011101001101011000…
…11111001101010100101
31102021022201120200002202
411310311203321222211
523024334110442323
6503524225144245
740631364430151
oct5646543715245
91367281520082
10400330562213
1114486319070a
1265705a8b085
132b99bc79c9a
141553a050061
15a630942d28
hex5d358f9aa5

400330562213 has 4 divisors (see below), whose sum is σ = 400459330380. Its totient is φ = 400201794048.

The previous prime is 400330562201. The next prime is 400330562221. The reversal of 400330562213 is 312265033004.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 185569685284 + 214760876929 = 430778^2 + 463423^2 .

It is a cyclic number.

It is not a de Polignac number, because 400330562213 - 226 = 400263453349 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 (400330562113) 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, 64379420 + ... + 64385637.

It is an arithmetic number, because the mean of its divisors is an integer number (100114832595).

Almost surely, 2400330562213 is an apocalyptic number.

It is an amenable number.

400330562213 is a deficient number, since it is larger than the sum of its proper divisors (128768167).

400330562213 is a wasteful number, since it uses less digits than its factorization.

400330562213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128768166.

The product of its (nonzero) digits is 12960, while the sum is 29.

Adding to 400330562213 its reverse (312265033004), we get a palindrome (712595595217).

The spelling of 400330562213 in words is "four hundred billion, three hundred thirty million, five hundred sixty-two thousand, two hundred thirteen".

Divisors: 1 3109 128765057 400330562213