Base | Representation |
---|---|
bin | 101111100011000111… |
… | …011000010111110101 |
3 | 11212210002222212211200 |
4 | 233203013120113311 |
5 | 1314030040100000 |
6 | 35242045523113 |
7 | 3455122236420 |
oct | 574307302765 |
9 | 155702885750 |
10 | 51055003125 |
11 | 1a71a244565 |
12 | 9a8a273499 |
13 | 4a784c7629 |
14 | 26848b89b7 |
15 | 14dc2dd500 |
hex | be31d85f5 |
51055003125 has 144 divisors (see below), whose sum is σ = 106024464000. Its totient is φ = 23189040000.
The previous prime is 51055003117. The next prime is 51055003133. The reversal of 51055003125 is 52130055015.
51055003125 is a `hidden beast` number, since 5 + 105 + 500 + 31 + 25 = 666.
It is an interprime number because it is at equal distance from previous prime (51055003117) and next prime (51055003133).
It is not a de Polignac number, because 51055003125 - 23 = 51055003117 is a prime.
It is a super-2 number, since 2×510550031252 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 34058626 + ... + 34060124.
It is an arithmetic number, because the mean of its divisors is an integer number (736281000).
Almost surely, 251055003125 is an apocalyptic number.
It is an amenable number.
51055003125 is an abundant number, since it is smaller than the sum of its proper divisors (54969460875).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51055003125 is a wasteful number, since it uses less digits than its factorization.
51055003125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1710 (or 1687 counting only the distinct ones).
The product of its (nonzero) digits is 3750, while the sum is 27.
The spelling of 51055003125 in words is "fifty-one billion, fifty-five million, three thousand, one hundred twenty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •