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23331000000000 = 29359711101
BaseRepresentation
bin1010100111000001010111…
…11101111001111000000000
310001121102101111121222100010
411103200223331321320000
511024223342000000000
6121342040300224520
74625415633611160
oct523405375717000
9101542344558303
1023331000000000
117485692297920
12274985483b140
1310031472447b4
145a932544c5a0
152a6d5d593d50
hex15382bf79e00

23331000000000 has 1600 divisors, whose sum is σ = 97824364982784. Its totient is φ = 4800000000000.

The previous prime is 23330999999987. The next prime is 23331000000023. The reversal of 23331000000000 is 13332.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (1600).

It is a super-2 number, since 2×233310000000002 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 230999999950 + ... + 231000000050.

Almost surely, 223331000000000 is an apocalyptic number.

23331000000000 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 23331000000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48912182491392).

23331000000000 is an abundant number, since it is smaller than the sum of its proper divisors (74493364982784).

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

23331000000000 is an frugal number, since it uses more digits than its factorization.

23331000000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185 (or 129 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 12.

Adding to 23331000000000 its reverse (13332), we get a palindrome (23331000013332).

The spelling of 23331000000000 in words is "twenty-three trillion, three hundred thirty-one billion", and thus it is an aban number.