Base | Representation |
---|---|
bin | 111101001110100100… |
… | …010000100100111101 |
3 | 20021200201101000021022 |
4 | 331032210100210331 |
5 | 2034120103343443 |
6 | 50111324513525 |
7 | 4515110124500 |
oct | 751644204475 |
9 | 207621330238 |
10 | 65742637373 |
11 | 25977006566 |
12 | 108a90ab8a5 |
13 | 627940627a |
14 | 327942b137 |
15 | 1a9b99ee68 |
hex | f4e91093d |
65742637373 has 12 divisors (see below), whose sum is σ = 76486636512. Its totient is φ = 56343089880.
The previous prime is 65742637343. The next prime is 65742637379. The reversal of 65742637373 is 37373624756.
It is a happy number.
65742637373 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 65742637373 - 26 = 65742637309 is a prime.
It is a super-2 number, since 2×657426373732 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (65742637379) 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, 283586 + ... + 460332.
It is an arithmetic number, because the mean of its divisors is an integer number (6373886376).
Almost surely, 265742637373 is an apocalyptic number.
It is an amenable number.
65742637373 is a deficient number, since it is larger than the sum of its proper divisors (10743999139).
65742637373 is a wasteful number, since it uses less digits than its factorization.
65742637373 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 184352 (or 184345 counting only the distinct ones).
The product of its digits is 13335840, while the sum is 53.
The spelling of 65742637373 in words is "sixty-five billion, seven hundred forty-two million, six hundred thirty-seven thousand, three hundred seventy-three".
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