Base | Representation |
---|---|
bin | 11100010110011101… |
… | …000111011000101100 |
3 | 2220120112001112121101 |
4 | 130112131013120230 |
5 | 444321011033002 |
6 | 21552403012444 |
7 | 2125240333300 |
oct | 342635073054 |
9 | 86515045541 |
10 | 30441502252 |
11 | 11a01486227 |
12 | 5a9696a124 |
13 | 2b419a7c35 |
14 | 168ad33d00 |
15 | bd2789587 |
hex | 71674762c |
30441502252 has 18 divisors (see below), whose sum is σ = 61970201412. Its totient is φ = 13046358024.
The previous prime is 30441502249. The next prime is 30441502261. The reversal of 30441502252 is 25220514403.
It is a Harshad number since it is a multiple of its sum of digits (28).
It is a self number, because there is not a number n which added to its sum of digits gives 30441502252.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 77656698 + ... + 77657089.
Almost surely, 230441502252 is an apocalyptic number.
It is an amenable number.
30441502252 is an abundant number, since it is smaller than the sum of its proper divisors (31528699160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30441502252 is a wasteful number, since it uses less digits than its factorization.
30441502252 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 155313805 (or 155313796 counting only the distinct ones).
The product of its (nonzero) digits is 9600, while the sum is 28.
The spelling of 30441502252 in words is "thirty billion, four hundred forty-one million, five hundred two thousand, two hundred fifty-two".
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