Base | Representation |
---|---|
bin | 100011000001011000… |
… | …0000110100000011000 |
3 | 21012010101021220112202 |
4 | 1012002300012200120 |
5 | 2213011232413142 |
6 | 54314454225332 |
7 | 5301504142250 |
oct | 1060260064030 |
9 | 235111256482 |
10 | 75208091672 |
11 | 2999400946a |
12 | 126ab055248 |
13 | 71274345bc |
14 | 38d65a4960 |
15 | 1e5296e032 |
hex | 1182c06818 |
75208091672 has 32 divisors (see below), whose sum is σ = 161169808800. Its totient is φ = 32230116864.
The previous prime is 75208091669. The next prime is 75208091731. The reversal of 75208091672 is 27619080257.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1309904 + ... + 1366112.
It is an arithmetic number, because the mean of its divisors is an integer number (5036556525).
Almost surely, 275208091672 is an apocalyptic number.
It is an amenable number.
75208091672 is an abundant number, since it is smaller than the sum of its proper divisors (85961717128).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
75208091672 is a wasteful number, since it uses less digits than its factorization.
75208091672 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 80115 (or 80111 counting only the distinct ones).
The product of its (nonzero) digits is 423360, while the sum is 47.
The spelling of 75208091672 in words is "seventy-five billion, two hundred eight million, ninety-one thousand, six hundred seventy-two".
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