Base | Representation |
---|---|
bin | 101111100010100010… |
… | …001100001101111111 |
3 | 11212202102122120120112 |
4 | 233202202030031333 |
5 | 1314020041112030 |
6 | 35241100540235 |
7 | 3454643333360 |
oct | 574242141577 |
9 | 155672576515 |
10 | 51045254015 |
11 | 1a714795948 |
12 | 9a86b5167b |
13 | 4a76493022 |
14 | 268349bb67 |
15 | 14db514a95 |
hex | be288c37f |
51045254015 has 32 divisors (see below), whose sum is σ = 71482366080. Its totient is φ = 34270746624.
The previous prime is 51045254003. The next prime is 51045254027.
51045254015 is nontrivially palindromic in base 10.
It is an interprime number because it is at equal distance from previous prime (51045254003) and next prime (51045254027).
It is a cyclic number.
It is not a de Polignac number, because 51045254015 - 220 = 51044205439 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 277121 + ... + 422949.
It is an arithmetic number, because the mean of its divisors is an integer number (2233823940).
Almost surely, 251045254015 is an apocalyptic number.
51045254015 is a deficient number, since it is larger than the sum of its proper divisors (20437112065).
51045254015 is a wasteful number, since it uses less digits than its factorization.
51045254015 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 146051.
The product of its (nonzero) digits is 20000, while the sum is 32.
The spelling of 51045254015 in words is "fifty-one billion, forty-five million, two hundred fifty-four thousand, fifteen".
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