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23131121130010 = 252313112113001
BaseRepresentation
bin1010100001001101000100…
…10000100001101000011010
310000220022110121021022222101
411100212202100201220122
511012440014002130020
6121110142414314014
74605111513342655
oct520464220415032
9100808417238871
1023131121130010
11740894293a473
122716b717b890a
13cba3420569aa
1459d7a349c89c
152a1a60a9a00a
hex1509a2421a1a

23131121130010 has 8 divisors (see below), whose sum is σ = 41636018034036. Its totient is φ = 9252448452000.

The previous prime is 23131121129981. The next prime is 23131121130011. The reversal of 23131121130010 is 1003112113132.

It can be written as a sum of positive squares in 2 ways, for example, as 22165160424121 + 965960705889 = 4707989^2 + 982833^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×231311211300103 (a number of 41 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23131121130010.

It is not an unprimeable number, because it can be changed into a prime (23131121130011) 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, 1156556056491 + ... + 1156556056510.

Almost surely, 223131121130010 is an apocalyptic number.

23131121130010 is a deficient number, since it is larger than the sum of its proper divisors (18504896904026).

23131121130010 is a wasteful number, since it uses less digits than its factorization.

23131121130010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2313112113008.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 23131121130010 its reverse (1003112113132), we get a palindrome (24134233243142).

The spelling of 23131121130010 in words is "twenty-three trillion, one hundred thirty-one billion, one hundred twenty-one million, one hundred thirty thousand, ten".

Divisors: 1 2 5 10 2313112113001 4626224226002 11565560565005 23131121130010