Base | Representation |
---|---|
bin | 11100011000011100… |
… | …111101010111100011 |
3 | 2220122212010012100101 |
4 | 130120130331113203 |
5 | 444403101000101 |
6 | 22000001203231 |
7 | 2126125234063 |
oct | 343034752743 |
9 | 86585105311 |
10 | 30475015651 |
11 | 11a19396353 |
12 | 5aa6030517 |
13 | 2b48910152 |
14 | 16915793a3 |
15 | bd56a9401 |
hex | 71873d5e3 |
30475015651 has 16 divisors (see below), whose sum is σ = 32007168000. Its totient is φ = 28977681600.
The previous prime is 30475015619. The next prime is 30475015673. The reversal of 30475015651 is 15651057403.
It is a cyclic number.
It is not a de Polignac number, because 30475015651 - 25 = 30475015619 is a prime.
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 30475015651.
It is not an unprimeable number, because it can be changed into a prime (30475075651) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6305806 + ... + 6310636.
It is an arithmetic number, because the mean of its divisors is an integer number (2000448000).
Almost surely, 230475015651 is an apocalyptic number.
30475015651 is a gapful number since it is divisible by the number (31) formed by its first and last digit.
30475015651 is a deficient number, since it is larger than the sum of its proper divisors (1532152349).
30475015651 is a wasteful number, since it uses less digits than its factorization.
30475015651 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8370.
The product of its (nonzero) digits is 63000, while the sum is 37.
The spelling of 30475015651 in words is "thirty billion, four hundred seventy-five million, fifteen thousand, six hundred fifty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •