Base | Representation |
---|---|
bin | 10101111010110000… |
… | …001001111000110000 |
3 | 2020202010220022021220 |
4 | 111322300021320300 |
5 | 341144233431430 |
6 | 14451141145040 |
7 | 1462126036632 |
oct | 257260117060 |
9 | 66663808256 |
10 | 23534280240 |
11 | 9a87540089 |
12 | 46896bb180 |
13 | 22b0987513 |
14 | 11d3848a52 |
15 | 92b19a110 |
hex | 57ac09e30 |
23534280240 has 40 divisors (see below), whose sum is σ = 72956269488. Its totient is φ = 6275808000.
The previous prime is 23534280227. The next prime is 23534280241. The reversal of 23534280240 is 4208243532.
It is a tau number, because it is divible by the number of its divisors (40).
It is not an unprimeable number, because it can be changed into a prime (23534280241) 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, 49029511 + ... + 49029990.
Almost surely, 223534280240 is an apocalyptic number.
23534280240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23534280240 is an abundant number, since it is smaller than the sum of its proper divisors (49421989248).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23534280240 is a wasteful number, since it uses less digits than its factorization.
23534280240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 98059517 (or 98059511 counting only the distinct ones).
The product of its (nonzero) digits is 46080, while the sum is 33.
The spelling of 23534280240 in words is "twenty-three billion, five hundred thirty-four million, two hundred eighty thousand, two hundred forty".
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