Base | Representation |
---|---|
bin | 11100010111100101… |
… | …110111101110110110 |
3 | 2220121211221112000100 |
4 | 130113211313232312 |
5 | 444340401342041 |
6 | 21554323454530 |
7 | 2125561420035 |
oct | 342745675666 |
9 | 86554845010 |
10 | 30460574646 |
11 | 11a11222637 |
12 | 5aa1227446 |
13 | 2b45925088 |
14 | 168d69a71c |
15 | bd42a56b6 |
hex | 717977bb6 |
30460574646 has 24 divisors (see below), whose sum is σ = 66012559704. Its totient is φ = 10151271360.
The previous prime is 30460574609. The next prime is 30460574659. The reversal of 30460574646 is 64647506403.
It is a happy number.
30460574646 is a `hidden beast` number, since 30 + 4 + 6 + 0 + 574 + 6 + 46 = 666.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 103416 + ... + 267611.
It is an arithmetic number, because the mean of its divisors is an integer number (2750523321).
Almost surely, 230460574646 is an apocalyptic number.
30460574646 is an abundant number, since it is smaller than the sum of its proper divisors (35551985058).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30460574646 is a wasteful number, since it uses less digits than its factorization.
30460574646 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 375596 (or 375593 counting only the distinct ones).
The product of its (nonzero) digits is 1451520, while the sum is 45.
The spelling of 30460574646 in words is "thirty billion, four hundred sixty million, five hundred seventy-four thousand, six hundred forty-six".
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