Base | Representation |
---|---|
bin | 11100000011111010… |
… | …011111110110100100 |
3 | 2212202211201211001010 |
4 | 130003322133312210 |
5 | 443201343000130 |
6 | 21501451502220 |
7 | 2114442331140 |
oct | 340372376644 |
9 | 85684654033 |
10 | 30130437540 |
11 | 11861934755 |
12 | 5a0a757970 |
13 | 2ac2404a88 |
14 | 165b8c0220 |
15 | bb52e20b0 |
hex | 703e9fda4 |
30130437540 has 96 divisors (see below), whose sum is σ = 97153588224. Its totient is φ = 6834372480.
The previous prime is 30130437523. The next prime is 30130437599. The reversal of 30130437540 is 4573403103.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a junction number, because it is equal to n+sod(n) for n = 30130437498 and 30130437507.
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, 218794 + ... + 328833.
It is an arithmetic number, because the mean of its divisors is an integer number (1012016544).
Almost surely, 230130437540 is an apocalyptic number.
30130437540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
30130437540 is an abundant number, since it is smaller than the sum of its proper divisors (67023150684).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30130437540 is a wasteful number, since it uses less digits than its factorization.
30130437540 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 547777 (or 547775 counting only the distinct ones).
The product of its (nonzero) digits is 15120, while the sum is 30.
The spelling of 30130437540 in words is "thirty billion, one hundred thirty million, four hundred thirty-seven thousand, five hundred forty".
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