Base | Representation |
---|---|
bin | 11101010001001110… |
… | …000010100110010110 |
3 | 10000010020012122121112 |
4 | 131101032002212112 |
5 | 1003330403444410 |
6 | 22234302215022 |
7 | 2161541355023 |
oct | 352116024626 |
9 | 100106178545 |
10 | 31427406230 |
11 | 12367a51500 |
12 | 6110b84472 |
13 | 2c6b01b07c |
14 | 1741c5254a |
15 | c3e0d4105 |
hex | 751382996 |
31427406230 has 24 divisors (see below), whose sum is σ = 62179515216. Its totient is φ = 11428147280.
The previous prime is 31427406229. The next prime is 31427406233. The reversal of 31427406230 is 3260472413.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31427406233) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12985322 + ... + 12987741.
It is an arithmetic number, because the mean of its divisors is an integer number (2590813134).
Almost surely, 231427406230 is an apocalyptic number.
31427406230 is a deficient number, since it is larger than the sum of its proper divisors (30752108986).
31427406230 is a wasteful number, since it uses less digits than its factorization.
31427406230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25973092 (or 25973081 counting only the distinct ones).
The product of its (nonzero) digits is 24192, while the sum is 32.
Adding to 31427406230 its reverse (3260472413), we get a palindrome (34687878643).
The spelling of 31427406230 in words is "thirty-one billion, four hundred twenty-seven million, four hundred six thousand, two hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •