Base | Representation |
---|---|
bin | 10011010011011011… |
… | …101110110001001110 |
3 | 1222111111202100202110 |
4 | 103103123232301032 |
5 | 314422121144324 |
6 | 13304422204450 |
7 | 1332431464656 |
oct | 232333566116 |
9 | 58444670673 |
10 | 20727131214 |
11 | 8876a1a509 |
12 | 4025583726 |
13 | 1c542262aa |
14 | 1008ac3366 |
15 | 8149ec329 |
hex | 4d36eec4e |
20727131214 has 32 divisors (see below), whose sum is σ = 43264088064. Its totient is φ = 6607509920.
The previous prime is 20727131213. The next prime is 20727131251. The reversal of 20727131214 is 41213172702.
It is a super-2 number, since 2×207271312142 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20727131213) 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, 1197667 + ... + 1214849.
It is an arithmetic number, because the mean of its divisors is an integer number (1352002752).
Almost surely, 220727131214 is an apocalyptic number.
20727131214 is an abundant number, since it is smaller than the sum of its proper divisors (22536956850).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20727131214 is a wasteful number, since it uses less digits than its factorization.
20727131214 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25952.
The product of its (nonzero) digits is 4704, while the sum is 30.
The spelling of 20727131214 in words is "twenty billion, seven hundred twenty-seven million, one hundred thirty-one thousand, two hundred fourteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •