Base | Representation |
---|---|
bin | 101111101000111010… |
… | …001010011110100000 |
3 | 11220000212220002010101 |
4 | 233220322022132200 |
5 | 1314224430423012 |
6 | 35255441112144 |
7 | 3460412353120 |
oct | 575072123640 |
9 | 156025802111 |
10 | 51152201632 |
11 | 1a76a0a2204 |
12 | 9ab6928654 |
13 | 4a92699c3c |
14 | 269377ac80 |
15 | 14e5adcd57 |
hex | be8e8a7a0 |
51152201632 has 192 divisors, whose sum is σ = 120773431296. Its totient is φ = 20870784000.
The previous prime is 51152201599. The next prime is 51152201647. The reversal of 51152201632 is 23610225115.
51152201632 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (28).
It is a self number, because there is not a number n which added to its sum of digits gives 51152201632.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 139379113 + ... + 139379479.
It is an arithmetic number, because the mean of its divisors is an integer number (629028288).
Almost surely, 251152201632 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 51152201632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60386715648).
51152201632 is an abundant number, since it is smaller than the sum of its proper divisors (69621229664).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51152201632 is a wasteful number, since it uses less digits than its factorization.
51152201632 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 739 (or 731 counting only the distinct ones).
The product of its (nonzero) digits is 3600, while the sum is 28.
Adding to 51152201632 its reverse (23610225115), we get a palindrome (74762426747).
The spelling of 51152201632 in words is "fifty-one billion, one hundred fifty-two million, two hundred one thousand, six hundred thirty-two".
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