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23400222560 = 25511131760161
BaseRepresentation
bin10101110010110000…
…110000111101100000
32020101210122110201122
4111302300300331200
5340410424110220
614425551551412
71455610416131
oct256260607540
966353573648
1023400222560
119a188a7610
12465082b568
13228bc7ab50
1411bdb0dc88
1591e519425
hex572c30f60

23400222560 has 192 divisors, whose sum is σ = 68769497664. Its totient is φ = 7392460800.

The previous prime is 23400222557. The next prime is 23400222623. The reversal of 23400222560 is 6522200432.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 358880 + ... + 419040.

It is an arithmetic number, because the mean of its divisors is an integer number (358174467).

Almost surely, 223400222560 is an apocalyptic number.

23400222560 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 23400222560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34384748832).

23400222560 is an abundant number, since it is smaller than the sum of its proper divisors (45369275104).

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

23400222560 is a wasteful number, since it uses less digits than its factorization.

23400222560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60217 (or 60209 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 23400222560 its reverse (6522200432), we get a palindrome (29922422992).

The spelling of 23400222560 in words is "twenty-three billion, four hundred million, two hundred twenty-two thousand, five hundred sixty".