Base | Representation |
---|---|
bin | 11100010000101110… |
… | …111001011101110011 |
3 | 2220022211102011000002 |
4 | 130100232321131303 |
5 | 444121422004111 |
6 | 21535053220215 |
7 | 2122663333013 |
oct | 342056713563 |
9 | 86284364002 |
10 | 30345500531 |
11 | 11962275765 |
12 | 5a6a79166b |
13 | 2b27b34298 |
14 | 167c2a3c43 |
15 | bc912463b |
hex | 710bb9773 |
30345500531 has 8 divisors (see below), whose sum is σ = 32998923360. Its totient is φ = 27788565888.
The previous prime is 30345500401. The next prime is 30345500543. The reversal of 30345500531 is 13500554303.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30345500531 is a prime.
It is a super-2 number, since 2×303455005312 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30345500494 and 30345500503.
It is not an unprimeable number, because it can be changed into a prime (30345500561) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24121391 + ... + 24122648.
It is an arithmetic number, because the mean of its divisors is an integer number (4124865420).
Almost surely, 230345500531 is an apocalyptic number.
30345500531 is a deficient number, since it is larger than the sum of its proper divisors (2653422829).
30345500531 is a wasteful number, since it uses less digits than its factorization.
30345500531 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 48244093.
The product of its (nonzero) digits is 13500, while the sum is 29.
The spelling of 30345500531 in words is "thirty billion, three hundred forty-five million, five hundred thousand, five hundred thirty-one".
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