Base | Representation |
---|---|
bin | 10101100110101110… |
… | …001001000100110100 |
3 | 2012212201112002021022 |
4 | 111212232021010310 |
5 | 340002220131213 |
6 | 14353534040312 |
7 | 1450605342242 |
oct | 254656110464 |
9 | 65781462238 |
10 | 23198208308 |
11 | 9924869290 |
12 | 45b5049098 |
13 | 2259169aa2 |
14 | 11a0d65792 |
15 | 90b913308 |
hex | 566b89134 |
23198208308 has 48 divisors (see below), whose sum is σ = 46862807040. Its totient is φ = 9937288800.
The previous prime is 23198208281. The next prime is 23198208323. The reversal of 23198208308 is 80380289132.
It is a Harshad number since it is a multiple of its sum of digits (44).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87035 + ... + 232317.
It is an arithmetic number, because the mean of its divisors is an integer number (976308480).
Almost surely, 223198208308 is an apocalyptic number.
It is an amenable number.
23198208308 is an abundant number, since it is smaller than the sum of its proper divisors (23664598732).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23198208308 is a wasteful number, since it uses less digits than its factorization.
23198208308 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 145508 (or 145506 counting only the distinct ones).
The product of its (nonzero) digits is 165888, while the sum is 44.
The spelling of 23198208308 in words is "twenty-three billion, one hundred ninety-eight million, two hundred eight thousand, three hundred eight".
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