Base | Representation |
---|---|
bin | 10101101001111011… |
… | …010111000001111110 |
3 | 2020000110202020110000 |
4 | 111221323113001332 |
5 | 340110003124430 |
6 | 14403135055130 |
7 | 1452130532004 |
oct | 255173270176 |
9 | 66013666400 |
10 | 23252004990 |
11 | 9952172555 |
12 | 460b0714a6 |
13 | 2267354346 |
14 | 11a816aa74 |
15 | 9114dce60 |
hex | 569ed707e |
23252004990 has 80 divisors (see below), whose sum is σ = 62569096128. Its totient is φ = 6195870144.
The previous prime is 23252004989. The next prime is 23252005001. The reversal of 23252004990 is 9940025232.
23252004990 is a `hidden beast` number, since 2 + 3 + 2 + 520 + 0 + 49 + 90 = 666.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1142544 + ... + 1162716.
Almost surely, 223252004990 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 23252004990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31284548064).
23252004990 is an abundant number, since it is smaller than the sum of its proper divisors (39317091138).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23252004990 is a wasteful number, since it uses less digits than its factorization.
23252004990 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21615 (or 21606 counting only the distinct ones).
The product of its (nonzero) digits is 38880, while the sum is 36.
The spelling of 23252004990 in words is "twenty-three billion, two hundred fifty-two million, four thousand, nine hundred ninety".
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