Base | Representation |
---|---|
bin | 11100111000100001… |
… | …100000100010111110 |
3 | 2222001100120122211002 |
4 | 130320201200202332 |
5 | 1002003322013410 |
6 | 22125221530302 |
7 | 2145350552420 |
oct | 347041404276 |
9 | 88040518732 |
10 | 31013079230 |
11 | 121750904a1 |
12 | 6016273992 |
13 | 2c03231573 |
14 | 1702bdc810 |
15 | c17a407a5 |
hex | 7388608be |
31013079230 has 32 divisors (see below), whose sum is σ = 64025415360. Its totient is φ = 10595208960.
The previous prime is 31013079221. The next prime is 31013079233. The reversal of 31013079230 is 3297031013.
It is a super-2 number, since 2×310130792302 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 31013079193 and 31013079202.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31013079233) 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, 768665 + ... + 808004.
It is an arithmetic number, because the mean of its divisors is an integer number (2000794230).
Almost surely, 231013079230 is an apocalyptic number.
31013079230 is an abundant number, since it is smaller than the sum of its proper divisors (33012336130).
31013079230 is a wasteful number, since it uses less digits than its factorization.
31013079230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1576964.
The product of its (nonzero) digits is 3402, while the sum is 29.
The spelling of 31013079230 in words is "thirty-one billion, thirteen million, seventy-nine thousand, two hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •