Base | Representation |
---|---|
bin | 10101100001000110… |
… | …110000111001111100 |
3 | 2012122011020210020100 |
4 | 111201012300321330 |
5 | 334304110441422 |
6 | 14340330521100 |
7 | 1445352520311 |
oct | 254106607174 |
9 | 65564223210 |
10 | 23103999612 |
11 | 9886672961 |
12 | 4589596190 |
13 | 22427a32b5 |
14 | 1192640d08 |
15 | 9035047ac |
hex | 5611b0e7c |
23103999612 has 72 divisors (see below), whose sum is σ = 59619691040. Its totient is φ = 7541838720.
The previous prime is 23103999553. The next prime is 23103999619. The reversal of 23103999612 is 21699930132.
23103999612 is a `hidden beast` number, since 23 + 1 + 0 + 3 + 9 + 9 + 9 + 612 = 666.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23103999619) 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, 479913 + ... + 525855.
Almost surely, 223103999612 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 23103999612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29809845520).
23103999612 is an abundant number, since it is smaller than the sum of its proper divisors (36515691428).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23103999612 is a wasteful number, since it uses less digits than its factorization.
23103999612 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 46243 (or 46238 counting only the distinct ones).
The product of its (nonzero) digits is 157464, while the sum is 45.
The spelling of 23103999612 in words is "twenty-three billion, one hundred three million, nine hundred ninety-nine thousand, six hundred twelve".
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