Base | Representation |
---|---|
bin | 10010110000101011… |
… | …11000011000010011 |
3 | 221222221100221111000 |
4 | 21120111320120103 |
5 | 131111422044210 |
6 | 4343235153043 |
7 | 504411100416 |
oct | 113025703023 |
9 | 27887327430 |
10 | 10072065555 |
11 | 42a9466a22 |
12 | 1b51145783 |
13 | c46900206 |
14 | 6b7961b7d |
15 | 3de395ac0 |
hex | 258578613 |
10072065555 has 32 divisors (see below), whose sum is σ = 17910446400. Its totient is φ = 5370402816.
The previous prime is 10072065541. The next prime is 10072065559. The reversal of 10072065555 is 55556027001.
It is a happy number.
It is not a de Polignac number, because 10072065555 - 28 = 10072065299 is a prime.
It is not an unprimeable number, because it can be changed into a prime (10072065559) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 745117 + ... + 758513.
It is an arithmetic number, because the mean of its divisors is an integer number (559701450).
Almost surely, 210072065555 is an apocalyptic number.
10072065555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
10072065555 is a deficient number, since it is larger than the sum of its proper divisors (7838380845).
10072065555 is a wasteful number, since it uses less digits than its factorization.
10072065555 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18980 (or 18974 counting only the distinct ones).
The product of its (nonzero) digits is 52500, while the sum is 36.
The spelling of 10072065555 in words is "ten billion, seventy-two million, sixty-five thousand, five hundred fifty-five".
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