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23100122140 = 2252696176959
BaseRepresentation
bin10101100000110111…
…111110010000011100
32012121212221210100021
4111200313332100130
5334302112402030
614340111441524
71445304540604
oct254067762034
965555853307
1023100122140
119884464737
1245882262a4
132241a46434
141191d11c04
15902eda97a
hex560dfe41c

23100122140 has 48 divisors (see below), whose sum is σ = 48776515200. Its totient is φ = 9189458432.

The previous prime is 23100122069. The next prime is 23100122141. The reversal of 23100122140 is 4122100132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23100122141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3315981 + ... + 3322939.

It is an arithmetic number, because the mean of its divisors is an integer number (1016177400).

Almost surely, 223100122140 is an apocalyptic number.

23100122140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23100122140 is an abundant number, since it is smaller than the sum of its proper divisors (25676393060).

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

23100122140 is a wasteful number, since it uses less digits than its factorization.

23100122140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7854 (or 7852 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 23100122140 its reverse (4122100132), we get a palindrome (27222222272).

The spelling of 23100122140 in words is "twenty-three billion, one hundred million, one hundred twenty-two thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 269 538 617 1076 1234 1345 2468 2690 3085 5380 6170 6959 12340 13918 27836 34795 69590 139180 165973 331946 663892 829865 1659730 1871971 3319460 3743942 4293703 7487884 8587406 9359855 17174812 18719710 21468515 37439420 42937030 85874060 1155006107 2310012214 4620024428 5775030535 11550061070 23100122140