Base | Representation |
---|---|
bin | 11100011000110101… |
… | …010101000000000000 |
3 | 2220200022010202101100 |
4 | 130120311111000000 |
5 | 444411214411104 |
6 | 22000350134400 |
7 | 2126233441530 |
oct | 343065250000 |
9 | 86608122340 |
10 | 30481403904 |
11 | 11a21a599a6 |
12 | 5aa81b1400 |
13 | 2b4a038a93 |
14 | 169235d4c0 |
15 | bd601c139 |
hex | 718d55000 |
30481403904 has 312 divisors, whose sum is σ = 105937807040. Its totient is φ = 8249278464.
The previous prime is 30481403893. The next prime is 30481403917. The reversal of 30481403904 is 40930418403.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4899804 + ... + 4906020.
Almost surely, 230481403904 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30481403904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52968903520).
30481403904 is an abundant number, since it is smaller than the sum of its proper divisors (75456403136).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30481403904 is a wasteful number, since it uses less digits than its factorization.
30481403904 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6273 (or 6248 counting only the distinct ones).
The product of its (nonzero) digits is 41472, while the sum is 36.
The spelling of 30481403904 in words is "thirty billion, four hundred eighty-one million, four hundred three thousand, nine hundred four".
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