Base | Representation |
---|---|
bin | 10111010011110101110000… |
… | …10100100001001001110000 |
3 | 20201111100001000111122211020 |
4 | 23221322320110201021300 |
5 | 23204312401404100010 |
6 | 301004055515215440 |
7 | 13540233361556223 |
oct | 1351727024411160 |
9 | 221440030448736 |
10 | 51259232096880 |
11 | 15372a11214265 |
12 | 58ba471147580 |
13 | 227a956642502 |
14 | c92d626135ba |
15 | 5dd584966470 |
hex | 2e9eb8521270 |
51259232096880 has 80 divisors (see below), whose sum is σ = 158904929433600. Its totient is φ = 13669015876864.
The previous prime is 51259232096869. The next prime is 51259232096887. The reversal of 51259232096880 is 8869023295215.
It is a tau number, because it is divible by the number of its divisors (80).
It is a Harshad number since it is a multiple of its sum of digits (60).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (51259232096887) 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, 30640321 + ... + 32269919.
It is an arithmetic number, because the mean of its divisors is an integer number (1986311617920).
Almost surely, 251259232096880 is an apocalyptic number.
It is an amenable number.
51259232096880 is an abundant number, since it is smaller than the sum of its proper divisors (107645697336720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51259232096880 is a wasteful number, since it uses less digits than its factorization.
51259232096880 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1760678 (or 1760672 counting only the distinct ones).
The product of its (nonzero) digits is 18662400, while the sum is 60.
The spelling of 51259232096880 in words is "fifty-one trillion, two hundred fifty-nine billion, two hundred thirty-two million, ninety-six thousand, eight hundred eighty".
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