Base | Representation |
---|---|
bin | 100111110001001000… |
… | …111001110110101101 |
3 | 11002012212020110201200 |
4 | 213301020321312231 |
5 | 1144422242130340 |
6 | 31341040400113 |
7 | 3041103655650 |
oct | 476110716655 |
9 | 132185213650 |
10 | 42700348845 |
11 | 17122263100 |
12 | 8338316039 |
13 | 404665ba0b |
14 | 20d1091897 |
15 | 119dada330 |
hex | 9f1239dad |
42700348845 has 72 divisors (see below), whose sum is σ = 92976269568. Its totient is φ = 17745583680.
The previous prime is 42700348829. The next prime is 42700348903. The reversal of 42700348845 is 54884300724.
It is a happy number.
It is not a de Polignac number, because 42700348845 - 24 = 42700348829 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 42700348845.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 522037 + ... + 598266.
Almost surely, 242700348845 is an apocalyptic number.
42700348845 is a gapful number since it is divisible by the number (45) formed by its first and last digit.
It is an amenable number.
42700348845 is an abundant number, since it is smaller than the sum of its proper divisors (50275920723).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42700348845 is a wasteful number, since it uses less digits than its factorization.
42700348845 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1120343 (or 1120329 counting only the distinct ones).
The product of its (nonzero) digits is 860160, while the sum is 45.
The spelling of 42700348845 in words is "forty-two billion, seven hundred million, three hundred forty-eight thousand, eight hundred forty-five".
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