Base | Representation |
---|---|
bin | 100101100010111001… |
… | …0000011000111100010 |
3 | 21201010002010122010110 |
4 | 1023011302003013202 |
5 | 2310111134032400 |
6 | 101012334112150 |
7 | 5553012441066 |
oct | 1130562030742 |
9 | 251102118113 |
10 | 80627642850 |
11 | 31215225487 |
12 | 1376204b656 |
13 | 77ac18b811 |
14 | 3c8c279aa6 |
15 | 216d64be50 |
hex | 12c5c831e2 |
80627642850 has 48 divisors (see below), whose sum is σ = 210480590880. Its totient is φ = 20369088000.
The previous prime is 80627642833. The next prime is 80627642867. The reversal of 80627642850 is 5824672608.
It is an interprime number because it is at equal distance from previous prime (80627642833) and next prime (80627642867).
It is a super-2 number, since 2×806276428502 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 80627642850.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14142351 + ... + 14148050.
It is an arithmetic number, because the mean of its divisors is an integer number (4385012310).
Almost surely, 280627642850 is an apocalyptic number.
80627642850 is an abundant number, since it is smaller than the sum of its proper divisors (129852948030).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80627642850 is a wasteful number, since it uses less digits than its factorization.
80627642850 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28290435 (or 28290430 counting only the distinct ones).
The product of its (nonzero) digits is 1290240, while the sum is 48.
The spelling of 80627642850 in words is "eighty billion, six hundred twenty-seven million, six hundred forty-two thousand, eight hundred fifty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •