Base | Representation |
---|---|
bin | 100101100110001101… |
… | …0101111001011010010 |
3 | 21201101211121202112000 |
4 | 1023030122233023102 |
5 | 2310323134103440 |
6 | 101031352214430 |
7 | 5555533641000 |
oct | 1131432571322 |
9 | 251354552460 |
10 | 80738972370 |
11 | 31272054a51 |
12 | 1379339a416 |
13 | 77c926b084 |
14 | 3c9cd79a70 |
15 | 21782dd730 |
hex | 12cc6af2d2 |
80738972370 has 128 divisors (see below), whose sum is σ = 251083584000. Its totient is φ = 18454601088.
The previous prime is 80738972359. The next prime is 80738972387. The reversal of 80738972370 is 7327983708.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 343299 + ... + 528518.
It is an arithmetic number, because the mean of its divisors is an integer number (1961590500).
Almost surely, 280738972370 is an apocalyptic number.
80738972370 is an abundant number, since it is smaller than the sum of its proper divisors (170344611630).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80738972370 is a wasteful number, since it uses less digits than its factorization.
80738972370 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 871854 (or 871834 counting only the distinct ones).
The product of its (nonzero) digits is 3556224, while the sum is 54.
The spelling of 80738972370 in words is "eighty billion, seven hundred thirty-eight million, nine hundred seventy-two thousand, three hundred seventy".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •