Base | Representation |
---|---|
bin | 101000011000101… |
… | …0100001101110110 |
3 | 10111102212110210100 |
4 | 1100301110031312 |
5 | 10233401331032 |
6 | 342244334530 |
7 | 45403126566 |
oct | 12061241566 |
9 | 3442773710 |
10 | 1355105142 |
11 | 635a15606 |
12 | 3199a4446 |
13 | 18798cc81 |
14 | cbd86da6 |
15 | 7de7797c |
hex | 50c54376 |
1355105142 has 24 divisors (see below), whose sum is σ = 2939512680. Its totient is φ = 451170720.
The previous prime is 1355105107. The next prime is 1355105149. The reversal of 1355105142 is 2415015531.
1355105142 is a `hidden beast` number, since 1 + 3 + 5 + 510 + 5 + 142 = 666.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1355105149) 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, 28359 + ... + 59282.
It is an arithmetic number, because the mean of its divisors is an integer number (122479695).
Almost surely, 21355105142 is an apocalyptic number.
1355105142 is an abundant number, since it is smaller than the sum of its proper divisors (1584407538).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1355105142 is a wasteful number, since it uses less digits than its factorization.
1355105142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 88508 (or 88505 counting only the distinct ones).
The product of its (nonzero) digits is 3000, while the sum is 27.
The square root of 1355105142 is about 36811.7527700054. The cubic root of 1355105142 is about 1106.6008456078.
The spelling of 1355105142 in words is "one billion, three hundred fifty-five million, one hundred five thousand, one hundred forty-two".
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