Base | Representation |
---|---|
bin | 111111111101111… |
… | …1110000100110110 |
3 | 12112120212210120100 |
4 | 1333323332010312 |
5 | 13343441132230 |
6 | 552553214530 |
7 | 104122221135 |
oct | 17773760466 |
9 | 5476783510 |
10 | 2146427190 |
11 | a01669576 |
12 | 4baa01446 |
13 | 2828c4c7b |
14 | 1650d391c |
15 | c8688660 |
hex | 7fefe136 |
2146427190 has 24 divisors (see below), whose sum is σ = 5580710928. Its totient is φ = 572380560.
The previous prime is 2146427189. The next prime is 2146427219. The reversal of 2146427190 is 917246412.
It is a happy number.
2146427190 is a `hidden beast` number, since 2 + 1 + 4 + 642 + 7 + 1 + 9 + 0 = 666.
It is a super-2 number, since 2×21464271902 = 9214299363942592200, which 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 11 ways as a sum of consecutive naturals, for example, 11924506 + ... + 11924685.
It is an arithmetic number, because the mean of its divisors is an integer number (232529622).
Almost surely, 22146427190 is an apocalyptic number.
2146427190 is an abundant number, since it is smaller than the sum of its proper divisors (3434283738).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2146427190 is a wasteful number, since it uses less digits than its factorization.
2146427190 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23849204 (or 23849201 counting only the distinct ones).
The product of its (nonzero) digits is 24192, while the sum is 36.
The square root of 2146427190 is about 46329.5498575153. The cubic root of 2146427190 is about 1289.9475551060.
The spelling of 2146427190 in words is "two billion, one hundred forty-six million, four hundred twenty-seven thousand, one hundred ninety".
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