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23113013312012 = 2213444481025231
BaseRepresentation
bin1010100000101011010101…
…11100101011101000001100
310000211120201122012212110112
411100111222330223220030
511012140422401441022
6121053545521055152
74603601005414451
oct520255274535014
9100746648185415
1023113013312012
1174011a0506828
1227135594874b8
13cb87176a62a0
1459c966607828
152a1350ee58e2
hex15056af2ba0c

23113013312012 has 12 divisors (see below), whose sum is σ = 43559140472736. Its totient is φ = 10667544605520.

The previous prime is 23113013312009. The next prime is 23113013312071. The reversal of 23113013312012 is 21021331031132.

It is a super-2 number, since 2×231130133120122 (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222240512564 + ... + 222240512667.

It is an arithmetic number, because the mean of its divisors is an integer number (3629928372728).

Almost surely, 223113013312012 is an apocalyptic number.

It is an amenable number.

23113013312012 is a deficient number, since it is larger than the sum of its proper divisors (20446127160724).

23113013312012 is a wasteful number, since it uses less digits than its factorization.

23113013312012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444481025248 (or 444481025246 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 23113013312012 its reverse (21021331031132), we get a palindrome (44134344343144).

The spelling of 23113013312012 in words is "twenty-three trillion, one hundred thirteen billion, thirteen million, three hundred twelve thousand, twelve".

Divisors: 1 2 4 13 26 52 444481025231 888962050462 1777924100924 5778253328003 11556506656006 23113013312012