Base | Representation |
---|---|
bin | 1110001100010101011001… |
… | …10110110011101000001101 |
3 | 11002111122210210100012020100 |
4 | 13012022230312303220031 |
5 | 13042321322344434013 |
6 | 150213423100441313 |
7 | 6400600114300521 |
oct | 706125466635015 |
9 | 132448723305210 |
10 | 31210132421133 |
11 | 9a43163118106 |
12 | 3600896249239 |
13 | 1455144c99c03 |
14 | 79c815467d81 |
15 | 391ca92cd473 |
hex | 1c62acdb3a0d |
31210132421133 has 12 divisors (see below), whose sum is σ = 45379854059488. Its totient is φ = 20668961867400.
The previous prime is 31210132421093. The next prime is 31210132421141. The reversal of 31210132421133 is 33112423101213.
31210132421133 is a `hidden beast` number, since 3 + 1 + 2 + 101 + 3 + 2 + 421 + 133 = 666.
It is not a de Polignac number, because 31210132421133 - 210 = 31210132420109 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 31210132421097 and 31210132421106.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31210132421233) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11482755235 + ... + 11482757952.
Almost surely, 231210132421133 is an apocalyptic number.
It is an amenable number.
31210132421133 is a deficient number, since it is larger than the sum of its proper divisors (14169721638355).
31210132421133 is a wasteful number, since it uses less digits than its factorization.
31210132421133 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22965513344 (or 22965513341 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 27.
Adding to 31210132421133 its reverse (33112423101213), we get a palindrome (64322555522346).
The spelling of 31210132421133 in words is "thirty-one trillion, two hundred ten billion, one hundred thirty-two million, four hundred twenty-one thousand, one hundred thirty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •