Base | Representation |
---|---|
bin | 10101110111000110… |
… | …001101010000111100 |
3 | 2020120212111112021200 |
4 | 111313012031100330 |
5 | 341033033434010 |
6 | 14441110455500 |
7 | 1460452542333 |
oct | 256706152074 |
9 | 66525445250 |
10 | 23472952380 |
11 | 9a559625a9 |
12 | 4671064590 |
13 | 22a1064047 |
14 | 11c9642d1a |
15 | 925ad3cc0 |
hex | 57718d43c |
23472952380 has 72 divisors (see below), whose sum is σ = 71341452000. Its totient is φ = 6247132032.
The previous prime is 23472952343. The next prime is 23472952387. The reversal of 23472952380 is 8325927432.
23472952380 is a `hidden beast` number, since 2 + 3 + 47 + 2 + 9 + 523 + 80 = 666.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23472952387) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36480 + ... + 219719.
It is an arithmetic number, because the mean of its divisors is an integer number (990853500).
Almost surely, 223472952380 is an apocalyptic number.
23472952380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 23472952380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35670726000).
23472952380 is an abundant number, since it is smaller than the sum of its proper divisors (47868499620).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23472952380 is a wasteful number, since it uses less digits than its factorization.
23472952380 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 256723 (or 256718 counting only the distinct ones).
The product of its (nonzero) digits is 725760, while the sum is 45.
The spelling of 23472952380 in words is "twenty-three billion, four hundred seventy-two million, nine hundred fifty-two thousand, three hundred eighty".
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