Base | Representation |
---|---|
bin | 10001111011111010110110… |
… | …01000010000010110111100 |
3 | 12011122122020200100111111002 |
4 | 20331331123020100112330 |
5 | 20132210123133214410 |
6 | 215515300333145432 |
7 | 11210414551444214 |
oct | 1075753310202674 |
9 | 164578220314432 |
10 | 39442213569980 |
11 | 116273923384a1 |
12 | 45101b962b278 |
13 | 1901500492940 |
14 | 9a50287b3244 |
15 | 485eb0d837a5 |
hex | 23df5b2105bc |
39442213569980 has 48 divisors (see below), whose sum is σ = 89201928461184. Its totient is φ = 14562977556480.
The previous prime is 39442213569911. The next prime is 39442213569989. The reversal of 39442213569980 is 8996531224493.
It is a super-2 number, since 2×394422135699802 (a number of 28 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (65).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (39442213569989) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11222060 + ... + 14311500.
It is an arithmetic number, because the mean of its divisors is an integer number (1858373509608).
Almost surely, 239442213569980 is an apocalyptic number.
It is an amenable number.
39442213569980 is an abundant number, since it is smaller than the sum of its proper divisors (49759714891204).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
39442213569980 is a wasteful number, since it uses less digits than its factorization.
39442213569980 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3138566 (or 3138564 counting only the distinct ones).
The product of its (nonzero) digits is 100776960, while the sum is 65.
The spelling of 39442213569980 in words is "thirty-nine trillion, four hundred forty-two billion, two hundred thirteen million, five hundred sixty-nine thousand, nine hundred eighty".
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