Base | Representation |
---|---|
bin | 11100010101001010… |
… | …111101111100010000 |
3 | 2220112000112110211121 |
4 | 130111022331330100 |
5 | 444300002432020 |
6 | 21550313252024 |
7 | 2124556313440 |
oct | 342512757420 |
9 | 86460473747 |
10 | 30419967760 |
11 | 119a0308026 |
12 | 5a8b704014 |
13 | 2b3a3a8230 |
14 | 168812a120 |
15 | bd0933baa |
hex | 7152bdf10 |
30419967760 has 160 divisors (see below), whose sum is σ = 87493900032. Its totient is φ = 9578096640.
The previous prime is 30419967749. The next prime is 30419967763. The reversal of 30419967760 is 6776991403.
It is a Harshad number since it is a multiple of its sum of digits (52).
It is a junction number, because it is equal to n+sod(n) for n = 30419967698 and 30419967707.
It is not an unprimeable number, because it can be changed into a prime (30419967763) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1423555 + ... + 1444765.
Almost surely, 230419967760 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 30419967760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43746950016).
30419967760 is an abundant number, since it is smaller than the sum of its proper divisors (57073932272).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30419967760 is a wasteful number, since it uses less digits than its factorization.
30419967760 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21441 (or 21435 counting only the distinct ones).
The product of its (nonzero) digits is 1714608, while the sum is 52.
The spelling of 30419967760 in words is "thirty billion, four hundred nineteen million, nine hundred sixty-seven thousand, seven hundred sixty".
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