Base | Representation |
---|---|
bin | 10101110100100110… |
… | …001110101011000000 |
3 | 2020110221120220011020 |
4 | 111310212032223000 |
5 | 340441314440404 |
6 | 14433011545440 |
7 | 1456433225250 |
oct | 256446165300 |
9 | 66427526136 |
10 | 23431015104 |
11 | 9a342194a2 |
12 | 465abbb280 |
13 | 229546c7a3 |
14 | 11c3c47960 |
15 | 92209ced9 |
hex | 57498eac0 |
23431015104 has 112 divisors (see below), whose sum is σ = 72498801408. Its totient is φ = 6538871808.
The previous prime is 23431015103. The next prime is 23431015133. The reversal of 23431015104 is 40151013432.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (112).
It is a super-2 number, since 2×234310151042 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is not an unprimeable number, because it can be changed into a prime (23431015103) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144927 + ... + 260510.
Almost surely, 223431015104 is an apocalyptic number.
23431015104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
23431015104 is an abundant number, since it is smaller than the sum of its proper divisors (49067786304).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23431015104 is a wasteful number, since it uses less digits than its factorization.
23431015104 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 405502 (or 405492 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 24.
Adding to 23431015104 its reverse (40151013432), we get a palindrome (63582028536).
The spelling of 23431015104 in words is "twenty-three billion, four hundred thirty-one million, fifteen thousand, one hundred four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.082 sec. • engine limits •