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23110401311340 = 22357795631237151
BaseRepresentation
bin1010100000100110011110…
…10000101100001001101100
310000211022222121021111010220
411100103033100230021230
511012120100213430330
6121052434412531340
74603446200652240
oct520231720541154
9100738877244126
1023110401311340
117400080064a92
122712b4a780b50
13cb83bc4c0c65
1459c799760420
152a124ba44710
hex1504cf42c26c

23110401311340 has 192 divisors, whose sum is σ = 75022480834560. Its totient is φ = 5206243910400.

The previous prime is 23110401311273. The next prime is 23110401311383. The reversal of 23110401311340 is 4311310401132.

It is a happy number.

It is a super-2 number, since 2×231104013113402 (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23110401311340.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18061765 + ... + 19298915.

It is an arithmetic number, because the mean of its divisors is an integer number (390742087680).

Almost surely, 223110401311340 is an apocalyptic number.

23110401311340 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 23110401311340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37511240417280).

23110401311340 is an abundant number, since it is smaller than the sum of its proper divisors (51912079523220).

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

23110401311340 is a wasteful number, since it uses less digits than its factorization.

23110401311340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1237812 (or 1237810 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 23110401311340 its reverse (4311310401132), we get a palindrome (27421711712472).

The spelling of 23110401311340 in words is "twenty-three trillion, one hundred ten billion, four hundred one million, three hundred eleven thousand, three hundred forty".