Base | Representation |
---|---|
bin | 11100001101101110… |
… | …100000011011010000 |
3 | 2220012022111211021100 |
4 | 130031232200123100 |
5 | 444021014110240 |
6 | 21530052224400 |
7 | 2121511546341 |
oct | 341556403320 |
9 | 86168454240 |
10 | 30295066320 |
11 | 119368587a2 |
12 | 5a5590b100 |
13 | 2b1a55635c |
14 | 16756d60c8 |
15 | bc49b0e30 |
hex | 70dba06d0 |
30295066320 has 120 divisors (see below), whose sum is σ = 101937473352. Its totient is φ = 8063078400.
The previous prime is 30295066309. The next prime is 30295066339. The reversal of 30295066320 is 2366059203.
It can be written as a sum of positive squares in 4 ways, for example, as 160883856 + 30134182464 = 12684^2 + 173592^2 .
It is a tau number, because it is divible by the number of its divisors (120).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 334740 + ... + 415500.
Almost surely, 230295066320 is an apocalyptic number.
30295066320 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 30295066320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50968736676).
30295066320 is an abundant number, since it is smaller than the sum of its proper divisors (71642407032).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30295066320 is a wasteful number, since it uses less digits than its factorization.
30295066320 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 81301 (or 81292 counting only the distinct ones).
The product of its (nonzero) digits is 58320, while the sum is 36.
The spelling of 30295066320 in words is "thirty billion, two hundred ninety-five million, sixty-six thousand, three hundred twenty".
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