Base | Representation |
---|---|
bin | 1101000111110101… |
… | …01011111001100000 |
3 | 200011222110222211220 |
4 | 12203322223321200 |
5 | 103412012201124 |
6 | 3123023335040 |
7 | 336403555260 |
oct | 64372537140 |
9 | 20158428756 |
10 | 7045037664 |
11 | 2a95816085 |
12 | 1447451480 |
13 | 883744752 |
14 | 4ab9217a0 |
15 | 2b3763879 |
hex | 1a3eabe60 |
7045037664 has 96 divisors (see below), whose sum is σ = 22247527680. Its totient is φ = 1906924032.
The previous prime is 7045037663. The next prime is 7045037669. The reversal of 7045037664 is 4667305407.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (96).
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7045037663) 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, 263119 + ... + 288654.
It is an arithmetic number, because the mean of its divisors is an integer number (231745080).
Almost surely, 27045037664 is an apocalyptic number.
It is an amenable number.
7045037664 is an abundant number, since it is smaller than the sum of its proper divisors (15202490016).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7045037664 is a wasteful number, since it uses less digits than its factorization.
7045037664 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 551812 (or 551804 counting only the distinct ones).
The product of its (nonzero) digits is 423360, while the sum is 42.
The square root of 7045037664 is about 83934.7226361057. The cubic root of 7045037664 is about 1917.0249846467.
The spelling of 7045037664 in words is "seven billion, forty-five million, thirty-seven thousand, six hundred sixty-four".
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