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22312000002 = 234190699187
BaseRepresentation
bin10100110001111001…
…100001101000000010
32010120221222001000110
4110301321201220002
5331143333000002
614125555332150
71416624604455
oct246171415002
963527861013
1022312000002
11950a5a6926
1243a82b1056
132147691a86
14111939949c
158a8c0ce6c
hex531e61a02

22312000002 has 16 divisors (see below), whose sum is σ = 45712390752. Its totient is φ = 7255934880.

The previous prime is 22312000001. The next prime is 22312000021. The reversal of 22312000002 is 20000021322.

It is a super-3 number, since 3×223120000023 (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (22312000001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45349348 + ... + 45349839.

It is an arithmetic number, because the mean of its divisors is an integer number (2857024422).

Almost surely, 222312000002 is an apocalyptic number.

22312000002 is an abundant number, since it is smaller than the sum of its proper divisors (23400390750).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22312000002 is a wasteful number, since it uses less digits than its factorization.

22312000002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90699233.

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 22312000002 its reverse (20000021322), we get a palindrome (42312021324).

The spelling of 22312000002 in words is "twenty-two billion, three hundred twelve million, two", and thus it is an aban number.

Divisors: 1 2 3 6 41 82 123 246 90699187 181398374 272097561 544195122 3718666667 7437333334 11156000001 22312000002