Base | Representation |
---|---|
bin | 10110000111011011… |
… | …101111000001000100 |
3 | 2021021222020011121200 |
4 | 112013123233001010 |
5 | 342113214443413 |
6 | 14524221142500 |
7 | 1500321301563 |
oct | 260733570104 |
9 | 67258204550 |
10 | 23747031108 |
11 | a086641a49 |
12 | 47289baa30 |
13 | 2315a874c8 |
14 | 1213bc9bda |
15 | 93ebc2573 |
hex | 5876ef044 |
23747031108 has 72 divisors (see below), whose sum is σ = 60898201728. Its totient is φ = 7800997248.
The previous prime is 23747031101. The next prime is 23747031109. The reversal of 23747031108 is 80113074732.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (23747031101) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4220385 + ... + 4226007.
Almost surely, 223747031108 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 23747031108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30449100864).
23747031108 is an abundant number, since it is smaller than the sum of its proper divisors (37151170620).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23747031108 is a wasteful number, since it uses less digits than its factorization.
23747031108 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7313 (or 7308 counting only the distinct ones).
The product of its (nonzero) digits is 28224, while the sum is 36.
The spelling of 23747031108 in words is "twenty-three billion, seven hundred forty-seven million, thirty-one thousand, one hundred eight".
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