Base | Representation |
---|---|
bin | 101111100000110010… |
… | …1001111011110101111 |
3 | 100202100210020022101000 |
4 | 1133001211033132233 |
5 | 3132430143410411 |
6 | 114512312051343 |
7 | 10241306542221 |
oct | 1370145173657 |
9 | 322323208330 |
10 | 102032013231 |
11 | 3a2a9458785 |
12 | 17936393b53 |
13 | 98107b5235 |
14 | 4d1cc90411 |
15 | 29c2822956 |
hex | 17c194f7af |
102032013231 has 32 divisors (see below), whose sum is σ = 154831677440. Its totient is φ = 66371659200.
The previous prime is 102032013199. The next prime is 102032013241. The reversal of 102032013231 is 132310230201.
102032013231 is a `hidden beast` number, since 1 + 0 + 20 + 320 + 1 + 323 + 1 = 666.
It is not a de Polignac number, because 102032013231 - 25 = 102032013199 is a prime.
It is a super-2 number, since 2×1020320132312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102032013241) 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 31 ways as a sum of consecutive naturals, for example, 1106211 + ... + 1194891.
It is an arithmetic number, because the mean of its divisors is an integer number (4838489920).
Almost surely, 2102032013231 is an apocalyptic number.
102032013231 is a deficient number, since it is larger than the sum of its proper divisors (52799664209).
102032013231 is an equidigital number, since it uses as much as digits as its factorization.
102032013231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 89724 (or 89718 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 102032013231 its reverse (132310230201), we get a palindrome (234342243432).
The spelling of 102032013231 in words is "one hundred two billion, thirty-two million, thirteen thousand, two hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •