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23315479600 = 2452717228813
BaseRepresentation
bin10101101101101101…
…011111110000110000
32020011220012002020111
4111231231133300300
5340222230321400
614413323351104
71453531210120
oct255555376060
966156162214
1023315479600
119984a86a06
124628382494
13227754999a
1411b2770c80
15916d7a3ba
hex56db5fc30

23315479600 has 180 divisors, whose sum is σ = 68007263824. Its totient is φ = 7523389440.

The previous prime is 23315479573. The next prime is 23315479601. The reversal of 23315479600 is 697451332.

It is a happy number.

It is a super-2 number, since 2×233154796002 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (23315479601) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 794794 + ... + 823606.

Almost surely, 223315479600 is an apocalyptic number.

23315479600 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 23315479600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34003631912).

23315479600 is an abundant number, since it is smaller than the sum of its proper divisors (44691784224).

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

23315479600 is a wasteful number, since it uses less digits than its factorization.

23315479600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28872 (or 28844 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 40.

The spelling of 23315479600 in words is "twenty-three billion, three hundred fifteen million, four hundred seventy-nine thousand, six hundred".