Base | Representation |
---|---|
bin | 11100001011001111… |
… | …001111010101101000 |
3 | 2220002101221122211011 |
4 | 130023033033111220 |
5 | 443424322043212 |
6 | 21522001313304 |
7 | 2120463636544 |
oct | 341317172550 |
9 | 86071848734 |
10 | 30253315432 |
11 | 1191523172a |
12 | 5a43935834 |
13 | 2b119c88a2 |
14 | 166dd48a24 |
15 | bc0eb54a7 |
hex | 70b3cf568 |
30253315432 has 8 divisors (see below), whose sum is σ = 56724966450. Its totient is φ = 15126657712.
The previous prime is 30253315403. The next prime is 30253315457. The reversal of 30253315432 is 23451335203.
It can be written as a sum of positive squares in only one way, i.e., 24864874596 + 5388440836 = 157686^2 + 73406^2 .
It is a tau number, because it is divible by the number of its divisors (8).
It is a junction number, because it is equal to n+sod(n) for n = 30253315394 and 30253315403.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1890832207 + ... + 1890832222.
Almost surely, 230253315432 is an apocalyptic number.
It is an amenable number.
30253315432 is a deficient number, since it is larger than the sum of its proper divisors (26471651018).
30253315432 is a wasteful number, since it uses less digits than its factorization.
30253315432 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3781664435 (or 3781664431 counting only the distinct ones).
The product of its (nonzero) digits is 32400, while the sum is 31.
The spelling of 30253315432 in words is "thirty billion, two hundred fifty-three million, three hundred fifteen thousand, four hundred thirty-two".
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