Base | Representation |
---|---|
bin | 11100011110001100… |
… | …110111101111100111 |
3 | 2220220120121011022211 |
4 | 130132030313233213 |
5 | 1000102243232412 |
6 | 22013324304251 |
7 | 2131406064451 |
oct | 343614675747 |
9 | 86816534284 |
10 | 30571461607 |
11 | 11a6887a655 |
12 | 5b123a2087 |
13 | 2b628ab06b |
14 | 16a02c32d1 |
15 | bdddaaca7 |
hex | 71e337be7 |
30571461607 has 4 divisors (see below), whose sum is σ = 32369782896. Its totient is φ = 28773140320.
The previous prime is 30571461601. The next prime is 30571461617. The reversal of 30571461607 is 70616417503.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70616417503 = 4337 ⋅16282319.
It is a cyclic number.
It is not a de Polignac number, because 30571461607 - 211 = 30571459559 is a prime.
It is a super-2 number, since 2×305714616072 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 30571461607.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30571461601) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 899160619 + ... + 899160652.
It is an arithmetic number, because the mean of its divisors is an integer number (8092445724).
Almost surely, 230571461607 is an apocalyptic number.
30571461607 is a deficient number, since it is larger than the sum of its proper divisors (1798321289).
30571461607 is a wasteful number, since it uses less digits than its factorization.
30571461607 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1798321288.
The product of its (nonzero) digits is 105840, while the sum is 40.
The spelling of 30571461607 in words is "thirty billion, five hundred seventy-one million, four hundred sixty-one thousand, six hundred seven".
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