Base | Representation |
---|---|
bin | 10000111101000111… |
… | …11000011001000011 |
3 | 212111101020220001211 |
4 | 20132203320121003 |
5 | 122120240011331 |
6 | 4103125310551 |
7 | 441400210603 |
oct | 103643703103 |
9 | 25441226054 |
10 | 9102657091 |
11 | 3951238000 |
12 | 1920565457 |
13 | b20b14338 |
14 | 624cd8c03 |
15 | 3842088b1 |
hex | 21e8f8643 |
9102657091 has 16 divisors (see below), whose sum is σ = 10201228128. Its totient is φ = 8118945120.
The previous prime is 9102657079. The next prime is 9102657101. The reversal of 9102657091 is 1907562019.
It is not a de Polignac number, because 9102657091 - 25 = 9102657059 is a prime.
It is a super-2 number, since 2×91026570912 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (9102657071) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6025 + ... + 135061.
It is an arithmetic number, because the mean of its divisors is an integer number (637576758).
Almost surely, 29102657091 is an apocalyptic number.
9102657091 is a deficient number, since it is larger than the sum of its proper divisors (1098571037).
9102657091 is a wasteful number, since it uses less digits than its factorization.
9102657091 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 129123 (or 129101 counting only the distinct ones).
The product of its (nonzero) digits is 34020, while the sum is 40.
The square root of 9102657091 is about 95407.8460662434. The cubic root of 9102657091 is about 2087.9626591428.
The spelling of 9102657091 in words is "nine billion, one hundred two million, six hundred fifty-seven thousand, ninety-one".
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