Base | Representation |
---|---|
bin | 11100011111100001… |
… | …011111010101000000 |
3 | 2220222010100010122000 |
4 | 130133201133111000 |
5 | 1000123433100330 |
6 | 22015435544000 |
7 | 2132065452624 |
oct | 343741372500 |
9 | 86863303560 |
10 | 30593643840 |
11 | 11a7a350481 |
12 | 5b198bb000 |
13 | 2b67376846 |
14 | 16a3219184 |
15 | be0cdd560 |
hex | 71f85f540 |
30593643840 has 112 divisors (see below), whose sum is σ = 107927607360. Its totient is φ = 8158302720.
The previous prime is 30593643833. The next prime is 30593643859. The reversal of 30593643840 is 4834639503.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1761826 + ... + 1779105.
Almost surely, 230593643840 is an apocalyptic number.
30593643840 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
30593643840 is an abundant number, since it is smaller than the sum of its proper divisors (77333963520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30593643840 is a wasteful number, since it uses less digits than its factorization.
30593643840 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3540957 (or 3540941 counting only the distinct ones).
The product of its (nonzero) digits is 933120, while the sum is 45.
The spelling of 30593643840 in words is "thirty billion, five hundred ninety-three million, six hundred forty-three thousand, eight hundred forty".
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