Base | Representation |
---|---|
bin | 10110010010010010… |
… | …101100111111010000 |
3 | 2021202200000222000201 |
4 | 112102102230333100 |
5 | 343001334303010 |
6 | 14554250024544 |
7 | 1504662645016 |
oct | 262222547720 |
9 | 67680028021 |
10 | 23929212880 |
11 | a16a4648a1 |
12 | 4779a18154 |
13 | 2344743481 |
14 | 12300908b6 |
15 | 950bac23a |
hex | 5924acfd0 |
23929212880 has 40 divisors (see below), whose sum is σ = 58054355712. Its totient is φ = 9155524224.
The previous prime is 23929212833. The next prime is 23929212907. The reversal of 23929212880 is 8821292932.
It is a tau number, because it is divible by the number of its divisors (40).
It is a Harshad number since it is a multiple of its sum of digits (46).
It is a self number, because there is not a number n which added to its sum of digits gives 23929212880.
It is a congruent number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 6500664 + ... + 6504343.
Almost surely, 223929212880 is an apocalyptic number.
23929212880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23929212880 is an abundant number, since it is smaller than the sum of its proper divisors (34125142832).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23929212880 is a wasteful number, since it uses less digits than its factorization.
23929212880 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13005043 (or 13005037 counting only the distinct ones).
The product of its (nonzero) digits is 248832, while the sum is 46.
The spelling of 23929212880 in words is "twenty-three billion, nine hundred twenty-nine million, two hundred twelve thousand, eight hundred eighty".
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