Base | Representation |
---|---|
bin | 101111100001001101… |
… | …110110000100101010 |
3 | 11212200220001020020211 |
4 | 233201031312010222 |
5 | 1313443411040320 |
6 | 35234551011334 |
7 | 3454254363364 |
oct | 574115660452 |
9 | 155626036224 |
10 | 51023143210 |
11 | 1a703263756 |
12 | 9a7b669b4a |
13 | 4a71a20c00 |
14 | 2680583d34 |
15 | 14d95e855a |
hex | be137612a |
51023143210 has 96 divisors (see below), whose sum is σ = 104946840000. Its totient is φ = 17802989568.
The previous prime is 51023143189. The next prime is 51023143211. The reversal of 51023143210 is 1234132015.
It is a happy number.
51023143210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×510231432102 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (51023143211) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14415621 + ... + 14419159.
It is an arithmetic number, because the mean of its divisors is an integer number (1093196250).
Almost surely, 251023143210 is an apocalyptic number.
51023143210 is an abundant number, since it is smaller than the sum of its proper divisors (53923696790).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51023143210 is a wasteful number, since it uses less digits than its factorization.
51023143210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4040 (or 4027 counting only the distinct ones).
The product of its (nonzero) digits is 720, while the sum is 22.
Adding to 51023143210 its reverse (1234132015), we get a palindrome (52257275225).
The spelling of 51023143210 in words is "fifty-one billion, twenty-three million, one hundred forty-three thousand, two hundred ten".
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