Base | Representation |
---|---|
bin | 11100011100101100… |
… | …101000000001001100 |
3 | 2220211211010022221200 |
4 | 130130230220001030 |
5 | 1000024313400442 |
6 | 22011023425500 |
7 | 2130651453066 |
oct | 343454500114 |
9 | 86754108850 |
10 | 30546231372 |
11 | 11a55607818 |
12 | 5b05a55290 |
13 | 2b5a5b6127 |
14 | 169abd6736 |
15 | bdba7534c |
hex | 71cb2804c |
30546231372 has 72 divisors (see below), whose sum is σ = 82257389760. Its totient is φ = 9529941600.
The previous prime is 30546231361. The next prime is 30546231407. The reversal of 30546231372 is 27313264503.
30546231372 is a `hidden beast` number, since 3 + 0 + 54 + 6 + 231 + 372 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
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, 212254 + ... + 325797.
Almost surely, 230546231372 is an apocalyptic number.
It is an amenable number.
30546231372 is an abundant number, since it is smaller than the sum of its proper divisors (51711158388).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30546231372 is a wasteful number, since it uses less digits than its factorization.
30546231372 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 538163 (or 538158 counting only the distinct ones).
The product of its (nonzero) digits is 90720, while the sum is 36.
Adding to 30546231372 its reverse (27313264503), we get a palindrome (57859495875).
The spelling of 30546231372 in words is "thirty billion, five hundred forty-six million, two hundred thirty-one thousand, three hundred seventy-two".
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