Base | Representation |
---|---|
bin | 11100100001100100… |
… | …101110110001111100 |
3 | 2221001112002001021000 |
4 | 130201210232301330 |
5 | 1000211240013441 |
6 | 22023105210300 |
7 | 2132664053400 |
oct | 344144566174 |
9 | 87045061230 |
10 | 30628047996 |
11 | 11a97809867 |
12 | 5b29330990 |
13 | 2b71531330 |
14 | 16a7a13100 |
15 | be3d372b6 |
hex | 72192ec7c |
30628047996 has 288 divisors, whose sum is σ = 99840142080. Its totient is φ = 8048170368.
The previous prime is 30628047959. The next prime is 30628048021. The reversal of 30628047996 is 69974082603.
It is a happy number.
30628047996 is a `hidden beast` number, since 3 + 0 + 6 + 2 + 80 + 479 + 96 = 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 95 ways as a sum of consecutive naturals, for example, 23871571 + ... + 23872853.
It is an arithmetic number, because the mean of its divisors is an integer number (346667160).
Almost surely, 230628047996 is an apocalyptic number.
30628047996 is a gapful number since it is divisible by the number (36) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30628047996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49920071040).
30628047996 is an abundant number, since it is smaller than the sum of its proper divisors (69212094084).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30628047996 is a wasteful number, since it uses less digits than its factorization.
30628047996 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1670 (or 1655 counting only the distinct ones).
The product of its (nonzero) digits is 3919104, while the sum is 54.
The spelling of 30628047996 in words is "thirty billion, six hundred twenty-eight million, forty-seven thousand, nine hundred ninety-six".
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