Base | Representation |
---|---|
bin | 11100000101010101… |
… | …011101111000011100 |
3 | 2212211111121101000112 |
4 | 130011111131320130 |
5 | 443223444101242 |
6 | 21504102545152 |
7 | 2115152122046 |
oct | 340525357034 |
9 | 85744541015 |
10 | 30154284572 |
11 | 11874342345 |
12 | 5a167381b8 |
13 | 2ac7334249 |
14 | 1660b2aa96 |
15 | bb7452c82 |
hex | 70555de1c |
30154284572 has 12 divisors (see below), whose sum is σ = 52875753000. Its totient is φ = 15046926576.
The previous prime is 30154284557. The next prime is 30154284631. The reversal of 30154284572 is 27548245103.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7551683 + ... + 7555674.
It is an arithmetic number, because the mean of its divisors is an integer number (4406312750).
Almost surely, 230154284572 is an apocalyptic number.
It is an amenable number.
30154284572 is a deficient number, since it is larger than the sum of its proper divisors (22721468428).
30154284572 is a wasteful number, since it uses less digits than its factorization.
30154284572 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15107860 (or 15107858 counting only the distinct ones).
The product of its (nonzero) digits is 268800, while the sum is 41.
The spelling of 30154284572 in words is "thirty billion, one hundred fifty-four million, two hundred eighty-four thousand, five hundred seventy-two".
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