Base | Representation |
---|---|
bin | 1011000100100110… |
… | …0001110010010011 |
3 | 21200010110112121100 |
4 | 2301021201302103 |
5 | 22041322034130 |
6 | 1210525355443 |
7 | 133436064201 |
oct | 26111416223 |
9 | 7603415540 |
10 | 2972064915 |
11 | 12957203a6 |
12 | 6ab408b83 |
13 | 3849833c1 |
14 | 202a14071 |
15 | 125dc6c60 |
hex | b1261c93 |
2972064915 has 24 divisors (see below), whose sum is σ = 5153024448. Its totient is φ = 1584656640.
The previous prime is 2972064869. The next prime is 2972064917. The reversal of 2972064915 is 5194602792.
It is not a de Polignac number, because 2972064915 - 28 = 2972064659 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is not an unprimeable number, because it can be changed into a prime (2972064917) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 209910 + ... + 223620.
It is an arithmetic number, because the mean of its divisors is an integer number (214709352).
Almost surely, 22972064915 is an apocalyptic number.
2972064915 is a deficient number, since it is larger than the sum of its proper divisors (2180959533).
2972064915 is a wasteful number, since it uses less digits than its factorization.
2972064915 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18539 (or 18536 counting only the distinct ones).
The product of its (nonzero) digits is 272160, while the sum is 45.
The square root of 2972064915 is about 54516.6480535992. The cubic root of 2972064915 is about 1437.7590070410.
The spelling of 2972064915 in words is "two billion, nine hundred seventy-two million, sixty-four thousand, nine hundred fifteen".
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