Base | Representation |
---|---|
bin | 11100110011110110… |
… | …110110010111011100 |
3 | 2221211220021000211011 |
4 | 130303312312113130 |
5 | 1001323301200143 |
6 | 22113343505004 |
7 | 2143410232660 |
oct | 346366662734 |
9 | 87756230734 |
10 | 30934787548 |
11 | 12134976825 |
12 | 5bb3bb8164 |
13 | 2bbcc4b922 |
14 | 16d665c8a0 |
15 | c10c27e9d |
hex | 733db65dc |
30934787548 has 96 divisors (see below), whose sum is σ = 64824883200. Its totient is φ = 12637126656.
The previous prime is 30934787539. The next prime is 30934787551. The reversal of 30934787548 is 84578743903.
It is a super-2 number, since 2×309347875482 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (58).
It is a junction number, because it is equal to n+sod(n) for n = 30934787492 and 30934787501.
It is a congruent number.
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, 40226908 + ... + 40227676.
It is an arithmetic number, because the mean of its divisors is an integer number (675259200).
Almost surely, 230934787548 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 30934787548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32412441600).
30934787548 is an abundant number, since it is smaller than the sum of its proper divisors (33890095652).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30934787548 is a wasteful number, since it uses less digits than its factorization.
30934787548 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1379 (or 1377 counting only the distinct ones).
The product of its (nonzero) digits is 20321280, while the sum is 58.
The spelling of 30934787548 in words is "thirty billion, nine hundred thirty-four million, seven hundred eighty-seven thousand, five hundred forty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.079 sec. • engine limits •