Base | Representation |
---|---|
bin | 10101100001000011… |
… | …011101000101101100 |
3 | 2012122002121201010000 |
4 | 111201003131011230 |
5 | 334303400211022 |
6 | 14340300144300 |
7 | 1445342245002 |
oct | 254103350554 |
9 | 65562551100 |
10 | 23103132012 |
11 | 9886130034 |
12 | 4589238090 |
13 | 224255b41c |
14 | 1192496a72 |
15 | 9033d26ac |
hex | 5610dd16c |
23103132012 has 60 divisors (see below), whose sum is σ = 60425386560. Its totient is φ = 7697316384.
The previous prime is 23103132007. The next prime is 23103132071. The reversal of 23103132012 is 21023130132.
23103132012 is a `hidden beast` number, since 2 + 310 + 31 + 320 + 1 + 2 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 698914 + ... + 731222.
It is an arithmetic number, because the mean of its divisors is an integer number (1007089776).
Almost surely, 223103132012 is an apocalyptic number.
It is an amenable number.
23103132012 is an abundant number, since it is smaller than the sum of its proper divisors (37322254548).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23103132012 is a wasteful number, since it uses less digits than its factorization.
23103132012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34532 (or 34521 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 23103132012 its reverse (21023130132), we get a palindrome (44126262144).
It can be divided in two parts, 2310313 and 2012, that added together give a triangular number (2312325 = T2150).
The spelling of 23103132012 in words is "twenty-three billion, one hundred three million, one hundred thirty-two thousand, twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •