Base | Representation |
---|---|
bin | 11001011010011001… |
… | …10010010000011110 |
3 | 1022012211010210122210 |
4 | 30231030302100132 |
5 | 210420131300230 |
6 | 10133445421250 |
7 | 662043345324 |
oct | 145514622036 |
9 | 38184123583 |
10 | 13643228190 |
11 | 58712792a9 |
12 | 278910a826 |
13 | 13957245b7 |
14 | 935d65d14 |
15 | 54cb5ceb0 |
hex | 32d33241e |
13643228190 has 32 divisors (see below), whose sum is σ = 32747308416. Its totient is φ = 3637798560.
The previous prime is 13643228177. The next prime is 13643228227. The reversal of 13643228190 is 9182234631.
It is a super-2 number, since 2×136432281902 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 347709 + ... + 384951.
It is an arithmetic number, because the mean of its divisors is an integer number (1023353388).
Almost surely, 213643228190 is an apocalyptic number.
13643228190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13643228190 is an abundant number, since it is smaller than the sum of its proper divisors (19104080226).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13643228190 is a wasteful number, since it uses less digits than its factorization.
13643228190 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 49464.
The product of its (nonzero) digits is 62208, while the sum is 39.
The spelling of 13643228190 in words is "thirteen billion, six hundred forty-three million, two hundred twenty-eight thousand, one hundred ninety".
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