Base | Representation |
---|---|
bin | 11100110010001101100… |
… | …10011101111111001111 |
3 | 10111112212012122102211111 |
4 | 32121012302131333033 |
5 | 112201013202110411 |
6 | 2034204255432451 |
7 | 131312042152606 |
oct | 16310662357717 |
9 | 3445765572744 |
10 | 989030113231 |
11 | 351499795676 |
12 | 13b820225727 |
13 | 7235a685894 |
14 | 35c25574a3d |
15 | 1aad8674721 |
hex | e646c9dfcf |
989030113231 has 16 divisors (see below), whose sum is σ = 1030323712000. Its totient is φ = 948363292800.
The previous prime is 989030113223. The next prime is 989030113243. The reversal of 989030113231 is 132311030989.
It is a cyclic number.
It is not a de Polignac number, because 989030113231 - 23 = 989030113223 is a prime.
It is a super-2 number, since 2×9890301132312 (a number of 25 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 (989030113261) 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, 1154110 + ... + 1819348.
It is an arithmetic number, because the mean of its divisors is an integer number (64395232000).
Almost surely, 2989030113231 is an apocalyptic number.
989030113231 is a deficient number, since it is larger than the sum of its proper divisors (41293598769).
989030113231 is a wasteful number, since it uses less digits than its factorization.
989030113231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 665710.
The product of its (nonzero) digits is 34992, while the sum is 40.
The spelling of 989030113231 in words is "nine hundred eighty-nine billion, thirty million, one hundred thirteen thousand, two hundred thirty-one".
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