Base | Representation |
---|---|
bin | 10110001100000010… |
… | …110011001101101100 |
3 | 2021111100202221102100 |
4 | 112030002303031230 |
5 | 342243020141110 |
6 | 14540023055100 |
7 | 1502250616044 |
oct | 261402631554 |
9 | 67440687370 |
10 | 23824380780 |
11 | a1162729a2 |
12 | 474a8a1490 |
13 | 2328aca445 |
14 | 12201a2724 |
15 | 9468a0bc0 |
hex | 58c0b336c |
23824380780 has 36 divisors (see below), whose sum is σ = 72267288912. Its totient is φ = 6353168160.
The previous prime is 23824380779. The next prime is 23824380799. The reversal of 23824380780 is 8708342832.
It is a tau number, because it is divible by the number of its divisors (36).
It is a super-2 number, since 2×238243807802 (a number of 22 digits) contains 22 as substring.
It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66178656 + ... + 66179015.
It is an arithmetic number, because the mean of its divisors is an integer number (2007424692).
Almost surely, 223824380780 is an apocalyptic number.
23824380780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23824380780 is an abundant number, since it is smaller than the sum of its proper divisors (48442908132).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23824380780 is a wasteful number, since it uses less digits than its factorization.
23824380780 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 132357686 (or 132357681 counting only the distinct ones).
The product of its (nonzero) digits is 516096, while the sum is 45.
The spelling of 23824380780 in words is "twenty-three billion, eight hundred twenty-four million, three hundred eighty thousand, seven hundred eighty".
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