Base | Representation |
---|---|
bin | 11100001000101100… |
… | …000100000000000000 |
3 | 2212222102110102022010 |
4 | 130020230010000000 |
5 | 443332344231040 |
6 | 21513432412520 |
7 | 2116434230460 |
oct | 341054040000 |
9 | 85872412263 |
10 | 30210539520 |
11 | 118a3075537 |
12 | 5a31547140 |
13 | 2b05b9c6b5 |
14 | 16683b1ba0 |
15 | bbc365e80 |
hex | 708b04000 |
30210539520 has 480 divisors, whose sum is σ = 117093005568. Its totient is φ = 6492782592.
The previous prime is 30210539501. The next prime is 30210539587. The reversal of 30210539520 is 2593501203.
It is a tau number, because it is divible by the number of its divisors (480).
It is a Harshad number since it is a multiple of its sum of digits (30).
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, 29244924 + ... + 29245956.
Almost surely, 230210539520 is an apocalyptic number.
30210539520 is a gapful number since it is divisible by the number (30) 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 30210539520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58546502784).
30210539520 is an abundant number, since it is smaller than the sum of its proper divisors (86882466048).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30210539520 is a wasteful number, since it uses less digits than its factorization.
30210539520 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1093 (or 1067 counting only the distinct ones).
The product of its (nonzero) digits is 8100, while the sum is 30.
The spelling of 30210539520 in words is "thirty billion, two hundred ten million, five hundred thirty-nine thousand, five hundred twenty".
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