Base | Representation |
---|---|
bin | 100100110110010011… |
… | …1111100100000110100 |
3 | 21120020211111001212010 |
4 | 1021230213330200310 |
5 | 2244030221302012 |
6 | 100204101324220 |
7 | 5500650250536 |
oct | 1115447744064 |
9 | 246224431763 |
10 | 79131822132 |
11 | 3061793a210 |
12 | 13405106670 |
13 | 76013008bc |
14 | 3b89743856 |
15 | 20d217ac3c |
hex | 126c9fc834 |
79131822132 has 24 divisors (see below), whose sum is σ = 201426456672. Its totient is φ = 23979340000.
The previous prime is 79131822131. The next prime is 79131822137. The reversal of 79131822132 is 23122813197.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (79131822131) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 299741619 + ... + 299741882.
It is an arithmetic number, because the mean of its divisors is an integer number (8392769028).
Almost surely, 279131822132 is an apocalyptic number.
It is an amenable number.
79131822132 is an abundant number, since it is smaller than the sum of its proper divisors (122294634540).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
79131822132 is a wasteful number, since it uses less digits than its factorization.
79131822132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 599483519 (or 599483517 counting only the distinct ones).
The product of its digits is 36288, while the sum is 39.
It can be divided in two parts, 791318 and 22132, that added together give a triangular number (813450 = T1275).
The spelling of 79131822132 in words is "seventy-nine billion, one hundred thirty-one million, eight hundred twenty-two thousand, one hundred thirty-two".
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