Base | Representation |
---|---|
bin | 100101010100001001… |
… | …1001101110001000110 |
3 | 21122211121102020011010 |
4 | 1022220103031301012 |
5 | 2303103023130432 |
6 | 100451304423050 |
7 | 5534525303115 |
oct | 1125023156106 |
9 | 248747366133 |
10 | 80133020742 |
11 | 30a91001585 |
12 | 13644477a86 |
13 | 773086a508 |
14 | 3c426c3c7c |
15 | 213eee73cc |
hex | 12a84cdc46 |
80133020742 has 32 divisors (see below), whose sum is σ = 161661878784. Its totient is φ = 26479159200.
The previous prime is 80133020731. The next prime is 80133020767. The reversal of 80133020742 is 24702033108.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 307317 + ... + 504687.
It is an arithmetic number, because the mean of its divisors is an integer number (5051933712).
Almost surely, 280133020742 is an apocalyptic number.
80133020742 is an abundant number, since it is smaller than the sum of its proper divisors (81528858042).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80133020742 is a wasteful number, since it uses less digits than its factorization.
80133020742 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 197964.
The product of its (nonzero) digits is 8064, while the sum is 30.
The spelling of 80133020742 in words is "eighty billion, one hundred thirty-three million, twenty thousand, seven hundred forty-two".
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