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23106297480 = 23357198916267
BaseRepresentation
bin10101100001001111…
…100001111010001000
32012122022120112022120
4111201033201322020
5334310203004410
614340452051240
71445411200530
oct254117417210
965568515276
1023106297480
1198879a2322
12458a303b20
1322430c9196
141192a7c4c0
1590380a570
hex5613e1e88

23106297480 has 256 divisors, whose sum is σ = 84333312000. Its totient is φ = 4946946048.

The previous prime is 23106297427. The next prime is 23106297527. The reversal of 23106297480 is 8479260132.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1412307 + ... + 1428573.

It is an arithmetic number, because the mean of its divisors is an integer number (329427000).

Almost surely, 223106297480 is an apocalyptic number.

23106297480 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 23106297480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42166656000).

23106297480 is an abundant number, since it is smaller than the sum of its proper divisors (61227014520).

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

23106297480 is a wasteful number, since it uses less digits than its factorization.

23106297480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16396 (or 16392 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The spelling of 23106297480 in words is "twenty-three billion, one hundred six million, two hundred ninety-seven thousand, four hundred eighty".