Base | Representation |
---|---|
bin | 11100011001110110… |
… | …111001000100000100 |
3 | 2220201111110221121201 |
4 | 130121312321010010 |
5 | 444430114402410 |
6 | 22002202352244 |
7 | 2126532513604 |
oct | 343166710404 |
9 | 86644427551 |
10 | 30498590980 |
11 | 11a307288a0 |
12 | 5ab1abb684 |
13 | 2b50775a50 |
14 | 1694754c04 |
15 | bd77b483a |
hex | 719db9104 |
30498590980 has 96 divisors (see below), whose sum is σ = 75574275840. Its totient is φ = 10192366080.
The previous prime is 30498590963. The next prime is 30498591001. The reversal of 30498590980 is 8909589403.
It is a Harshad number since it is a multiple of its sum of digits (55).
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 631657 + ... + 678223.
It is an arithmetic number, because the mean of its divisors is an integer number (787232040).
Almost surely, 230498590980 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 30498590980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37787137920).
30498590980 is an abundant number, since it is smaller than the sum of its proper divisors (45075684860).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30498590980 is a wasteful number, since it uses less digits than its factorization.
30498590980 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 46829 (or 46827 counting only the distinct ones).
The product of its (nonzero) digits is 2799360, while the sum is 55.
The spelling of 30498590980 in words is "thirty billion, four hundred ninety-eight million, five hundred ninety thousand, nine hundred eighty".
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