Base | Representation |
---|---|
bin | 10111010111000100011110… |
… | …10000000110011100101000 |
3 | 20201212221111102012012010211 |
4 | 23223202033100012130220 |
5 | 23213122143312112020 |
6 | 301131052200350504 |
7 | 13551242514224434 |
oct | 1353421720063450 |
9 | 221787442165124 |
10 | 51370212222760 |
11 | 15405a91643462 |
12 | 5917a84175434 |
13 | 2288261c0b552 |
14 | c9848da4d9c4 |
15 | 5e13ccb1685a |
hex | 2eb88f406728 |
51370212222760 has 16 divisors (see below), whose sum is σ = 115582977501300. Its totient is φ = 20548084889088.
The previous prime is 51370212222709. The next prime is 51370212222803. The reversal of 51370212222760 is 6722221207315.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 51227601763716 + 142610459044 = 7157346^2 + 377638^2 .
It is a super-2 number, since 2×513702122227602 (a number of 28 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 1284255305569 = 51370212222760 / (5 + 1 + 3 + 7 + 0 + 2 + 1 + 2 + 2 + 2 + 2 + 7 + 6 + 0).
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 642127652745 + ... + 642127652824.
Almost surely, 251370212222760 is an apocalyptic number.
It is an amenable number.
51370212222760 is an abundant number, since it is smaller than the sum of its proper divisors (64212765278540).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51370212222760 is a wasteful number, since it uses less digits than its factorization.
51370212222760 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1284255305580 (or 1284255305576 counting only the distinct ones).
The product of its (nonzero) digits is 141120, while the sum is 40.
The spelling of 51370212222760 in words is "fifty-one trillion, three hundred seventy billion, two hundred twelve million, two hundred twenty-two thousand, seven hundred sixty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •