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23498478080 = 295711237173
BaseRepresentation
bin10101111000100111…
…100101001000000000
32020122122112100221222
4111320213211020000
5341111102244310
614443421534212
71461212524310
oct257047451000
966578470858
1023498478080
119a69307420
124679714368
1322a64305cc
1411ccba9440
15927e77055
hex5789e5200

23498478080 has 640 divisors, whose sum is σ = 75348320256. Its totient is φ = 6812467200.

The previous prime is 23498478001. The next prime is 23498478139. The reversal of 23498478080 is 8087489432.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (640).

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, 321896924 + ... + 321896996.

Almost surely, 223498478080 is an apocalyptic number.

23498478080 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 23498478080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37674160128).

23498478080 is an abundant number, since it is smaller than the sum of its proper divisors (51849842176).

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

23498478080 is a wasteful number, since it uses less digits than its factorization.

23498478080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208 (or 192 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 53.

The spelling of 23498478080 in words is "twenty-three billion, four hundred ninety-eight million, four hundred seventy-eight thousand, eighty".