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23253913998 = 23471731167233
BaseRepresentation
bin10101101010000010…
…101001000110001110
32020000121100020010000
4111222002221012032
5340111000221443
614403244025130
71452153002430
oct255202510616
966017306100
1023253913998
119953256847
12460b8321a6
132267872233
1411a8506650
159117688d3
hex56a0a918e

23253913998 has 320 divisors, whose sum is σ = 65757339648. Its totient is φ = 5989386240.

The previous prime is 23253913979. The next prime is 23253914039. The reversal of 23253913998 is 89931935232.

It is a happy number.

23253913998 is a `hidden beast` number, since 2 + 3 + 2 + 539 + 13 + 9 + 98 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 99802090 + ... + 99802322.

Almost surely, 223253913998 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23253913998, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32878669824).

23253913998 is an abundant number, since it is smaller than the sum of its proper divisors (42503425650).

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

23253913998 is a wasteful number, since it uses less digits than its factorization.

23253913998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469 (or 460 counting only the distinct ones).

The product of its digits is 3149280, while the sum is 54.

The spelling of 23253913998 in words is "twenty-three billion, two hundred fifty-three million, nine hundred thirteen thousand, nine hundred ninety-eight".