Base | Representation |
---|---|
bin | 100111001001111001… |
… | …100011011011010110 |
3 | 11000111222110120021100 |
4 | 213021321203123112 |
5 | 1142100223412043 |
6 | 31151442130530 |
7 | 3015561134430 |
oct | 471171433326 |
9 | 130458416240 |
10 | 42042013398 |
11 | 16914690a20 |
12 | 8193950a46 |
13 | 3c70149a08 |
14 | 206b881650 |
15 | 1160de7cd3 |
hex | 9c9e636d6 |
42042013398 has 96 divisors (see below), whose sum is σ = 118505866752. Its totient is φ = 10445212800.
The previous prime is 42042013373. The next prime is 42042013399. The reversal of 42042013398 is 89331024024.
It is a super-2 number, since 2×420420133982 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42042013399) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 627543 + ... + 691298.
It is an arithmetic number, because the mean of its divisors is an integer number (1234436112).
Almost surely, 242042013398 is an apocalyptic number.
42042013398 is an abundant number, since it is smaller than the sum of its proper divisors (76463853354).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42042013398 is a wasteful number, since it uses less digits than its factorization.
42042013398 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1318890 (or 1318887 counting only the distinct ones).
The product of its (nonzero) digits is 41472, while the sum is 36.
The spelling of 42042013398 in words is "forty-two billion, forty-two million, thirteen thousand, three hundred ninety-eight".
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