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23011131010000 = 245472207148949
BaseRepresentation
bin1010011101101101100100…
…10010100010101111010000
310000110211202021200200021111
411032312302102202233100
511004003244014310000
6120535100113503104
74563333164220130
oct516666222425720
9100424667620244
1023011131010000
117371a69613331
1226b7865271a94
13cabc2bc1b693
14597a5d5a8ac0
1529d88b8e6cba
hex14edb24a2bd0

23011131010000 has 200 divisors, whose sum is σ = 63700419340800. Its totient is φ = 7885902912000.

The previous prime is 23011131009949. The next prime is 23011131010033. The reversal of 23011131010000 is 1013111032.

It is a tau number, because it is divible by the number of its divisors (200).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 154415526 + ... + 154564474.

It is an arithmetic number, because the mean of its divisors is an integer number (318502096704).

Almost surely, 223011131010000 is an apocalyptic number.

23011131010000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23011131010000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31850209670400).

23011131010000 is an abundant number, since it is smaller than the sum of its proper divisors (40689288330800).

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

23011131010000 is a wasteful number, since it uses less digits than its factorization.

23011131010000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151191 (or 151170 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 23011131010000 its reverse (1013111032), we get a palindrome (23012144121032).

The spelling of 23011131010000 in words is "twenty-three trillion, eleven billion, one hundred thirty-one million, ten thousand".