Base | Representation |
---|---|
bin | 10010110011000011… |
… | …01101100011111001 |
3 | 222001022202212211120 |
4 | 21121201231203321 |
5 | 131132014203220 |
6 | 4345225215453 |
7 | 505042052541 |
oct | 113141554371 |
9 | 28038685746 |
10 | 10091944185 |
11 | 4309704044 |
12 | 1b57931589 |
13 | c4aa7030b |
14 | 6ba458321 |
15 | 3e0ec0a40 |
hex | 25986d8f9 |
10091944185 has 16 divisors (see below), whose sum is σ = 16263280320. Its totient is φ = 5343647040.
The previous prime is 10091944169. The next prime is 10091944231. The reversal of 10091944185 is 58144919001.
It is not a de Polignac number, because 10091944185 - 24 = 10091944169 is a prime.
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, 2418046 + ... + 2422215.
It is an arithmetic number, because the mean of its divisors is an integer number (1016455020).
Almost surely, 210091944185 is an apocalyptic number.
10091944185 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
10091944185 is a deficient number, since it is larger than the sum of its proper divisors (6171336135).
10091944185 is a wasteful number, since it uses less digits than its factorization.
10091944185 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4840408.
The product of its (nonzero) digits is 51840, while the sum is 42.
The spelling of 10091944185 in words is "ten billion, ninety-one million, nine hundred forty-four thousand, one hundred eighty-five".
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