Base | Representation |
---|---|
bin | 10010101000110100… |
… | …000110111010111110 |
3 | 1220122200022002010102 |
4 | 102220310012322332 |
5 | 311441044220220 |
6 | 13105440441102 |
7 | 1305630024455 |
oct | 225064067276 |
9 | 56580262112 |
10 | 20012101310 |
11 | 853a344a03 |
12 | 3a66019192 |
13 | 1b6c053a86 |
14 | d7bb55b9c |
15 | 7c1d5b775 |
hex | 4a8d06ebe |
20012101310 has 32 divisors (see below), whose sum is σ = 40148123040. Its totient is φ = 7137441792.
The previous prime is 20012101309. The next prime is 20012101313. The reversal of 20012101310 is 1310121002.
It is a super-2 number, since 2×200121013102 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 20012101291 and 20012101300.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20012101313) 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, 3094619 + ... + 3101078.
It is an arithmetic number, because the mean of its divisors is an integer number (1254628845).
Almost surely, 220012101310 is an apocalyptic number.
20012101310 is an abundant number, since it is smaller than the sum of its proper divisors (20136021730).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20012101310 is a wasteful number, since it uses less digits than its factorization.
20012101310 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6195740.
The product of its (nonzero) digits is 12, while the sum is 11.
Adding to 20012101310 its reverse (1310121002), we get a palindrome (21322222312).
The spelling of 20012101310 in words is "twenty billion, twelve million, one hundred one thousand, three hundred ten".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.079 sec. • engine limits •