Base | Representation |
---|---|
bin | 101000101100001001… |
… | …1100101011110001011 |
3 | 22100112201112101021011 |
4 | 1101120103211132023 |
5 | 2412424001001042 |
6 | 104050415224351 |
7 | 6212244120016 |
oct | 1213023453613 |
9 | 270481471234 |
10 | 87380875147 |
11 | 340702538a5 |
12 | 14b278180b7 |
13 | 8317314367 |
14 | 432d11c37d |
15 | 241646ea17 |
hex | 14584e578b |
87380875147 has 2 divisors, whose sum is σ = 87380875148. Its totient is φ = 87380875146.
The previous prime is 87380875103. The next prime is 87380875237. The reversal of 87380875147 is 74157808378.
It is a weak prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-87380875147 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 87380875091 and 87380875100.
It is not a weakly prime, because it can be changed into another prime (87380872147) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43690437573 + 43690437574.
It is an arithmetic number, because the mean of its divisors is an integer number (43690437574).
Almost surely, 287380875147 is an apocalyptic number.
87380875147 is a deficient number, since it is larger than the sum of its proper divisors (1).
87380875147 is an equidigital number, since it uses as much as digits as its factorization.
87380875147 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 10536960, while the sum is 58.
The spelling of 87380875147 in words is "eighty-seven billion, three hundred eighty million, eight hundred seventy-five thousand, one hundred forty-seven".
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