Base | Representation |
---|---|
bin | 100101011100011111… |
… | …0110100011000101100 |
3 | 21200120010000212220020 |
4 | 1022320332310120230 |
5 | 2304141144332242 |
6 | 100535143122140 |
7 | 5544464154354 |
oct | 1127076643054 |
9 | 250503025806 |
10 | 80412886572 |
11 | 31114a83957 |
12 | 13702143350 |
13 | 7776838ab5 |
14 | 3c6b935b64 |
15 | 215987a6ec |
hex | 12b8fb462c |
80412886572 has 24 divisors (see below), whose sum is σ = 197505336000. Its totient is φ = 25393543056.
The previous prime is 80412886559. The next prime is 80412886627. The reversal of 80412886572 is 27568821408.
It is a super-2 number, since 2×804128865722 (a number of 23 digits) contains 22 as substring.
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 7 ways as a sum of consecutive naturals, for example, 176343822 + ... + 176344277.
It is an arithmetic number, because the mean of its divisors is an integer number (8229389000).
Almost surely, 280412886572 is an apocalyptic number.
It is an amenable number.
80412886572 is an abundant number, since it is smaller than the sum of its proper divisors (117092449428).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80412886572 is a wasteful number, since it uses less digits than its factorization.
80412886572 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 352688125 (or 352688123 counting only the distinct ones).
The product of its (nonzero) digits is 1720320, while the sum is 51.
The spelling of 80412886572 in words is "eighty billion, four hundred twelve million, eight hundred eighty-six thousand, five hundred seventy-two".
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