Base | Representation |
---|---|
bin | 10101110111111101… |
… | …001000100111000000 |
3 | 2020121212121001210111 |
4 | 111313331020213000 |
5 | 341100230214412 |
6 | 14442343241104 |
7 | 1461016122442 |
oct | 256775104700 |
9 | 66555531714 |
10 | 23487351232 |
11 | 9a62aa7684 |
12 | 4675a49194 |
13 | 22a4035b87 |
14 | 11cb510492 |
15 | 926eca2a7 |
hex | 577f489c0 |
23487351232 has 112 divisors (see below), whose sum is σ = 52010413632. Its totient is φ = 10466508800.
The previous prime is 23487351193. The next prime is 23487351233. The reversal of 23487351232 is 23215378432.
It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23487351233) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2522778 + ... + 2532070.
Almost surely, 223487351232 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 23487351232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26005206816).
23487351232 is an abundant number, since it is smaller than the sum of its proper divisors (28523062400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23487351232 is a wasteful number, since it uses less digits than its factorization.
23487351232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9446 (or 9436 counting only the distinct ones).
The product of its digits is 241920, while the sum is 40.
The spelling of 23487351232 in words is "twenty-three billion, four hundred eighty-seven million, three hundred fifty-one thousand, two hundred thirty-two".
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