Base | Representation |
---|---|
bin | 10111100101110011111110… |
… | …11110100100010111000000 |
3 | 20210200100222011101102200100 |
4 | 23302321333132210113000 |
5 | 23244422042423031033 |
6 | 302155503542522400 |
7 | 13632654214013634 |
oct | 1362717736442700 |
9 | 223610864342610 |
10 | 51876753720768 |
11 | 15590898062159 |
12 | 599a08ba36400 |
13 | 22c3c593797b2 |
14 | cb4bc395adc4 |
15 | 5ee677b96513 |
hex | 2f2e7f7a45c0 |
51876753720768 has 84 divisors (see below), whose sum is σ = 149040349424928. Its totient is φ = 17252129925120.
The previous prime is 51876753720767. The next prime is 51876753720877. The reversal of 51876753720768 is 86702735767815.
51876753720768 is a `hidden beast` number, since 5 + 1 + 8 + 7 + 6 + 7 + 537 + 20 + 7 + 68 = 666.
It is a super-2 number, since 2×518767537207682 (a number of 28 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (72).
It is a junction number, because it is equal to n+sod(n) for n = 51876753720696 and 51876753720705.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (51876753720767) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104234121 + ... + 104730632.
Almost surely, 251876753720768 is an apocalyptic number.
It is an amenable number.
51876753720768 is an abundant number, since it is smaller than the sum of its proper divisors (97163595704160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51876753720768 is a wasteful number, since it uses less digits than its factorization.
51876753720768 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 208965202 (or 208965189 counting only the distinct ones).
The product of its (nonzero) digits is 829785600, while the sum is 72.
The spelling of 51876753720768 in words is "fifty-one trillion, eight hundred seventy-six billion, seven hundred fifty-three million, seven hundred twenty thousand, seven hundred sixty-eight".
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