Base | Representation |
---|---|
bin | 11100001101011111… |
… | …010111010001000100 |
3 | 2220012001001010220022 |
4 | 130031133113101010 |
5 | 444014010043034 |
6 | 21525431154312 |
7 | 2121433034054 |
oct | 341537272104 |
9 | 86161033808 |
10 | 30291096644 |
11 | 11934597276 |
12 | 5a54515998 |
13 | 2b19796533 |
14 | 1674d81564 |
15 | bc4479b2e |
hex | 70d7d7444 |
30291096644 has 48 divisors (see below), whose sum is σ = 55442128896. Its totient is φ = 14469386400.
The previous prime is 30291096631. The next prime is 30291096653. The reversal of 30291096644 is 44669019203.
It is a happy number.
It is a super-2 number, since 2×302910966442 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 30291096595 and 30291096604.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1541159 + ... + 1560689.
It is an arithmetic number, because the mean of its divisors is an integer number (1155044352).
Almost surely, 230291096644 is an apocalyptic number.
It is an amenable number.
30291096644 is a deficient number, since it is larger than the sum of its proper divisors (25151032252).
30291096644 is a wasteful number, since it uses less digits than its factorization.
30291096644 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19776 (or 19774 counting only the distinct ones).
The product of its (nonzero) digits is 279936, while the sum is 44.
The spelling of 30291096644 in words is "thirty billion, two hundred ninety-one million, ninety-six thousand, six hundred forty-four".
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