Base | Representation |
---|---|
bin | 11100011101001001… |
… | …010011001000011000 |
3 | 2220212100021012211000 |
4 | 130131021103020120 |
5 | 1000033224413432 |
6 | 22011452505000 |
7 | 2131102400325 |
oct | 343511231030 |
9 | 86770235730 |
10 | 30553747992 |
11 | 11a598810a9 |
12 | 5b0847b160 |
13 | 2b5c018531 |
14 | 169bbd1b4c |
15 | bdc55c57c |
hex | 71d253218 |
30553747992 has 64 divisors (see below), whose sum is σ = 84994761600. Its totient is φ = 10169794080.
The previous prime is 30553747949. The next prime is 30553748033. The reversal of 30553747992 is 29974735503.
30553747992 is a `hidden beast` number, since 3 + 0 + 55 + 37 + 479 + 92 = 666.
It is a Harshad number since it is a multiple of its sum of digits (54).
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, 46903 + ... + 251609.
It is an arithmetic number, because the mean of its divisors is an integer number (1328043150).
Almost surely, 230553747992 is an apocalyptic number.
It is an amenable number.
30553747992 is an abundant number, since it is smaller than the sum of its proper divisors (54441013608).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30553747992 is a wasteful number, since it uses less digits than its factorization.
30553747992 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 205413 (or 205403 counting only the distinct ones).
The product of its (nonzero) digits is 7144200, while the sum is 54.
The spelling of 30553747992 in words is "thirty billion, five hundred fifty-three million, seven hundred forty-seven thousand, nine hundred ninety-two".
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