Base | Representation |
---|---|
bin | 10110001001011100… |
… | …111011011100111100 |
3 | 2021101022221211002222 |
4 | 112021130323130330 |
5 | 342200402223440 |
6 | 14531431104512 |
7 | 1501212205643 |
oct | 261134733474 |
9 | 67338854088 |
10 | 23780898620 |
11 | a0a3774126 |
12 | 4738212138 |
13 | 231cab495b |
14 | 12184c435a |
15 | 942b622b5 |
hex | 58973b73c |
23780898620 has 24 divisors (see below), whose sum is σ = 49951584144. Its totient is φ = 9510131456.
The previous prime is 23780898619. The next prime is 23780898641. The reversal of 23780898620 is 2689808732.
It is a super-2 number, since 2×237808986202 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50342 + ... + 223821.
It is an arithmetic number, because the mean of its divisors is an integer number (2081316006).
Almost surely, 223780898620 is an apocalyptic number.
23780898620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23780898620 is an abundant number, since it is smaller than the sum of its proper divisors (26170685524).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23780898620 is a wasteful number, since it uses less digits than its factorization.
23780898620 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 278509 (or 278507 counting only the distinct ones).
The product of its (nonzero) digits is 2322432, while the sum is 53.
The spelling of 23780898620 in words is "twenty-three billion, seven hundred eighty million, eight hundred ninety-eight thousand, six hundred twenty".
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