Base | Representation |
---|---|
bin | 10110001001010010… |
… | …101001101001011100 |
3 | 2021101010212221010120 |
4 | 112021102221221130 |
5 | 342144210014002 |
6 | 14531253234540 |
7 | 1501150254435 |
oct | 261122515134 |
9 | 67333787116 |
10 | 23778204252 |
11 | a0a21a3880 |
12 | 4737332a50 |
13 | 231c38045a |
14 | 1217dc248c |
15 | 9427cdcbc |
hex | 5894a9a5c |
23778204252 has 24 divisors (see below), whose sum is σ = 60526338432. Its totient is φ = 7205516400.
The previous prime is 23778204251. The next prime is 23778204259. The reversal of 23778204252 is 25240287732.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23778204251) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90068824 + ... + 90069087.
It is an arithmetic number, because the mean of its divisors is an integer number (2521930768).
Almost surely, 223778204252 is an apocalyptic number.
23778204252 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
23778204252 is an abundant number, since it is smaller than the sum of its proper divisors (36748134180).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23778204252 is a wasteful number, since it uses less digits than its factorization.
23778204252 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 180137929 (or 180137927 counting only the distinct ones).
The product of its (nonzero) digits is 376320, while the sum is 42.
The spelling of 23778204252 in words is "twenty-three billion, seven hundred seventy-eight million, two hundred four thousand, two hundred fifty-two".
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