Base | Representation |
---|---|
bin | 101111100011000100… |
… | …011111010010010111 |
3 | 11212210001120100220112 |
4 | 233203010133102113 |
5 | 1314024341320030 |
6 | 35242021353235 |
7 | 3455112631244 |
oct | 574304372227 |
9 | 155701510815 |
10 | 51054245015 |
11 | 1a719876a24 |
12 | 9a89b6881b |
13 | 4a782c0547 |
14 | 268475c5cb |
15 | 14dc1dda95 |
hex | be311f497 |
51054245015 has 16 divisors (see below), whose sum is σ = 61479264000. Its totient is φ = 40700765952.
The previous prime is 51054244993. The next prime is 51054245017.
51054245015 is nontrivially palindromic in base 10.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-51054245015 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (51054245017) 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, 3061139 + ... + 3077771.
It is an arithmetic number, because the mean of its divisors is an integer number (3842454000).
Almost surely, 251054245015 is an apocalyptic number.
51054245015 is a deficient number, since it is larger than the sum of its proper divisors (10425018985).
51054245015 is a wasteful number, since it uses less digits than its factorization.
51054245015 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18746.
The product of its (nonzero) digits is 20000, while the sum is 32.
The spelling of 51054245015 in words is "fifty-one billion, fifty-four million, two hundred forty-five thousand, fifteen".
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