Base | Representation |
---|---|
bin | 10111011100010111011110… |
… | …00001100001110010011101 |
3 | 20202112100020222200101122210 |
4 | 23232023233001201302131 |
5 | 23224112410124014012 |
6 | 301350431322031033 |
7 | 13600344522606564 |
oct | 1356135701416235 |
9 | 222470228611583 |
10 | 51552207641757 |
11 | 15476194283449 |
12 | 59471b6048479 |
13 | 229c477084ca4 |
14 | ca31d6870bdb |
15 | 5e5ed05ca23c |
hex | 2ee2ef061c9d |
51552207641757 has 16 divisors (see below), whose sum is σ = 69029840613888. Its totient is φ = 34221391057920.
The previous prime is 51552207641729. The next prime is 51552207641761. The reversal of 51552207641757 is 75714670225515.
It is not a de Polignac number, because 51552207641757 - 212 = 51552207637661 is a prime.
It is a super-2 number, since 2×515522076417572 (a number of 28 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 51552207641697 and 51552207641706.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (51552207641707) 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, 1671988 + ... + 10290770.
It is an arithmetic number, because the mean of its divisors is an integer number (4314365038368).
Almost surely, 251552207641757 is an apocalyptic number.
It is an amenable number.
51552207641757 is a deficient number, since it is larger than the sum of its proper divisors (17477632972131).
51552207641757 is a wasteful number, since it uses less digits than its factorization.
51552207641757 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8627300.
The product of its (nonzero) digits is 20580000, while the sum is 57.
The spelling of 51552207641757 in words is "fifty-one trillion, five hundred fifty-two billion, two hundred seven million, six hundred forty-one thousand, seven hundred fifty-seven".
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