Base | Representation |
---|---|
bin | 1100111110001001011111… |
… | …10011101001001110100101 |
3 | 10201222211121021221011111220 |
4 | 12133010233303221032211 |
5 | 12214312444022130401 |
6 | 140355333031250553 |
7 | 6002524243413030 |
oct | 637045763511645 |
9 | 121884537834456 |
10 | 28523679880101 |
11 | 90a790875510a |
12 | 32480b6819a59 |
13 | 12bba04bcb323 |
14 | 7087a6a2a017 |
15 | 346e7678a336 |
hex | 19f12fce93a5 |
28523679880101 has 64 divisors (see below), whose sum is σ = 47812446228480. Its totient is φ = 14748076062720.
The previous prime is 28523679880081. The next prime is 28523679880187. The reversal of 28523679880101 is 10108897632582.
It is not a de Polignac number, because 28523679880101 - 210 = 28523679879077 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28523679080101) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3866931 + ... + 8485311.
It is an arithmetic number, because the mean of its divisors is an integer number (747069472320).
Almost surely, 228523679880101 is an apocalyptic number.
28523679880101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
It is an amenable number.
28523679880101 is a deficient number, since it is larger than the sum of its proper divisors (19288766348379).
28523679880101 is a wasteful number, since it uses less digits than its factorization.
28523679880101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4619106.
The product of its (nonzero) digits is 11612160, while the sum is 60.
The spelling of 28523679880101 in words is "twenty-eight trillion, five hundred twenty-three billion, six hundred seventy-nine million, eight hundred eighty thousand, one hundred one".
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