Base | Representation |
---|---|
bin | 1101010100001111… |
… | …10111111000101101 |
3 | 200110020101212000011 |
4 | 12222013313320231 |
5 | 104120141023213 |
6 | 3141223133221 |
7 | 342106561021 |
oct | 65207677055 |
9 | 20406355004 |
10 | 7149157933 |
11 | 3039571195 |
12 | 14762a4211 |
13 | 89c19b788 |
14 | 4bb6a6381 |
15 | 2bc97e03d |
hex | 1aa1f7e2d |
7149157933 has 2 divisors, whose sum is σ = 7149157934. Its totient is φ = 7149157932.
The previous prime is 7149157909. The next prime is 7149157937. The reversal of 7149157933 is 3397519417.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 4032504004 + 3116653929 = 63502^2 + 55827^2 .
It is a cyclic number.
It is not a de Polignac number, because 7149157933 - 217 = 7149026861 is a prime.
It is a super-2 number, since 2×71491579332 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (7149157937) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3574578966 + 3574578967.
It is an arithmetic number, because the mean of its divisors is an integer number (3574578967).
Almost surely, 27149157933 is an apocalyptic number.
It is an amenable number.
7149157933 is a deficient number, since it is larger than the sum of its proper divisors (1).
7149157933 is an equidigital number, since it uses as much as digits as its factorization.
7149157933 is an evil number, because the sum of its binary digits is even.
The product of its digits is 714420, while the sum is 49.
The square root of 7149157933 is about 84552.6932332732. The cubic root of 7149157933 is about 1926.4228920383.
The spelling of 7149157933 in words is "seven billion, one hundred forty-nine million, one hundred fifty-seven thousand, nine hundred thirty-three".
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