Base | Representation |
---|---|
bin | 11100010010101100… |
… | …110011010010001000 |
3 | 2220102010111222002212 |
4 | 130102230303102020 |
5 | 444203344132402 |
6 | 21542232444252 |
7 | 2123544014666 |
oct | 342254632210 |
9 | 86363458085 |
10 | 30378505352 |
11 | 11979968778 |
12 | 5a79849688 |
13 | 2b3191bb70 |
14 | 1682815c36 |
15 | bcbe93952 |
hex | 712b33488 |
30378505352 has 32 divisors (see below), whose sum is σ = 61349422680. Its totient is φ = 14018972160.
The previous prime is 30378505331. The next prime is 30378505361. The reversal of 30378505352 is 25350587303.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 19893974116 + 10484531236 = 141046^2 + 102394^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1031828 + ... + 1060860.
Almost surely, 230378505352 is an apocalyptic number.
It is an amenable number.
30378505352 is an abundant number, since it is smaller than the sum of its proper divisors (30970917328).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30378505352 is a wasteful number, since it uses less digits than its factorization.
30378505352 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 39113 (or 39109 counting only the distinct ones).
The product of its (nonzero) digits is 378000, while the sum is 41.
The spelling of 30378505352 in words is "thirty billion, three hundred seventy-eight million, five hundred five thousand, three hundred fifty-two".
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