Base | Representation |
---|---|
bin | 10111010011101100001001… |
… | …11100010010101100101001 |
3 | 20201110211201121210011010210 |
4 | 23221312010330102230221 |
5 | 23204221321214002110 |
6 | 301001444055531333 |
7 | 13536661522301160 |
oct | 1351660474225451 |
9 | 221424647704123 |
10 | 51254075140905 |
11 | 1537080525397a |
12 | 58b9472089b49 |
13 | 227a31411a880 |
14 | c929d37763d7 |
15 | 5dd381d59520 |
hex | 2e9d84f12b29 |
51254075140905 has 64 divisors (see below), whose sum is σ = 103278336860160. Its totient is φ = 21125114309376.
The previous prime is 51254075140813. The next prime is 51254075140949. The reversal of 51254075140905 is 50904157045215.
51254075140905 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 51254075140905 - 212 = 51254075136809 is a prime.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 436554945 + ... + 436672334.
It is an arithmetic number, because the mean of its divisors is an integer number (1613724013440).
Almost surely, 251254075140905 is an apocalyptic number.
It is an amenable number.
51254075140905 is an abundant number, since it is smaller than the sum of its proper divisors (52024261719255).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51254075140905 is a wasteful number, since it uses less digits than its factorization.
51254075140905 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 873227350.
The product of its (nonzero) digits is 1260000, while the sum is 48.
The spelling of 51254075140905 in words is "fifty-one trillion, two hundred fifty-four billion, seventy-five million, one hundred forty thousand, nine hundred five".
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