Base | Representation |
---|---|
bin | 10010111110010010… |
… | …000000100100001010 |
3 | 1221120210000002112000 |
4 | 102332102000210022 |
5 | 313210244324010 |
6 | 13205304131430 |
7 | 1320562235214 |
oct | 227622004412 |
9 | 57523002460 |
10 | 20372261130 |
11 | 8704679351 |
12 | 3b46766b76 |
13 | 1bc88564b0 |
14 | db39095b4 |
15 | 7e37a07c0 |
hex | 4be48090a |
20372261130 has 128 divisors (see below), whose sum is σ = 61584364800. Its totient is φ = 4750762752.
The previous prime is 20372261089. The next prime is 20372261153. The reversal of 20372261130 is 3116227302.
20372261130 is a `hidden beast` number, since 2 + 0 + 372 + 261 + 1 + 30 = 666.
20372261130 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 20372261094 and 20372261103.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 86049 + ... + 219428.
It is an arithmetic number, because the mean of its divisors is an integer number (481127850).
Almost surely, 220372261130 is an apocalyptic number.
20372261130 is an abundant number, since it is smaller than the sum of its proper divisors (41212103670).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20372261130 is a wasteful number, since it uses less digits than its factorization.
20372261130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 305525 (or 305519 counting only the distinct ones).
The product of its (nonzero) digits is 3024, while the sum is 27.
Adding to 20372261130 its reverse (3116227302), we get a palindrome (23488488432).
The spelling of 20372261130 in words is "twenty billion, three hundred seventy-two million, two hundred sixty-one thousand, one hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.064 sec. • engine limits •