Base | Representation |
---|---|
bin | 11100011000001110… |
… | …001001011001000100 |
3 | 2220122120210220222212 |
4 | 130120032021121010 |
5 | 444401102221430 |
6 | 21555342042552 |
7 | 2126050232456 |
oct | 343016113104 |
9 | 86576726885 |
10 | 30471132740 |
11 | 11a17184034 |
12 | 5aa4879458 |
13 | 2b47b80979 |
14 | 1690c482d6 |
15 | bd518db95 |
hex | 718389644 |
30471132740 has 12 divisors (see below), whose sum is σ = 63989378796. Its totient is φ = 12188453088.
The previous prime is 30471132709. The next prime is 30471132763. The reversal of 30471132740 is 4723117403.
It can be written as a sum of positive squares in 2 ways, for example, as 19401146944 + 11069985796 = 139288^2 + 105214^2 .
It is a junction number, because it is equal to n+sod(n) for n = 30471132697 and 30471132706.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 761778299 + ... + 761778338.
It is an arithmetic number, because the mean of its divisors is an integer number (5332448233).
Almost surely, 230471132740 is an apocalyptic number.
It is an amenable number.
30471132740 is an abundant number, since it is smaller than the sum of its proper divisors (33518246056).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30471132740 is a wasteful number, since it uses less digits than its factorization.
30471132740 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1523556646 (or 1523556644 counting only the distinct ones).
The product of its (nonzero) digits is 14112, while the sum is 32.
The spelling of 30471132740 in words is "thirty billion, four hundred seventy-one million, one hundred thirty-two thousand, seven hundred forty".
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