Base | Representation |
---|---|
bin | 1000001010000011111… |
… | …11111010100010000110 |
3 | 222210110012112202110000 |
4 | 10011001333322202012 |
5 | 14043003204214402 |
6 | 332431532142130 |
7 | 26151413643633 |
oct | 4050177724206 |
9 | 883405482400 |
10 | 280280148102 |
11 | a8958922739 |
12 | 463a1307946 |
13 | 205794c0ba6 |
14 | d7cc14318a |
15 | 745632ec1c |
hex | 4141ffa886 |
280280148102 has 20 divisors (see below), whose sum is σ = 628035147036. Its totient is φ = 93426715980.
The previous prime is 280280148023. The next prime is 280280148103. The reversal of 280280148102 is 201841082082.
280280148102 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×2802801481022 (a number of 24 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (280280148103) by changing a digit.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 865062024 + ... + 865062347.
Almost surely, 2280280148102 is an apocalyptic number.
280280148102 is an abundant number, since it is smaller than the sum of its proper divisors (347754998934).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
280280148102 is a wasteful number, since it uses less digits than its factorization.
280280148102 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1730124385 (or 1730124376 counting only the distinct ones).
The product of its (nonzero) digits is 16384, while the sum is 36.
The spelling of 280280148102 in words is "two hundred eighty billion, two hundred eighty million, one hundred forty-eight thousand, one hundred two".
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