Base | Representation |
---|---|
bin | 101010011011111000… |
… | …1100010101100101010 |
3 | 22201020000021001120002 |
4 | 1110313301202230222 |
5 | 2443113243003044 |
6 | 105510425103002 |
7 | 6404200423010 |
oct | 1246761425452 |
9 | 281200231502 |
10 | 91130047274 |
11 | 35714599362 |
12 | 157b3327a62 |
13 | 8793c935c6 |
14 | 45a701c8b0 |
15 | 258569a74e |
hex | 1537c62b2a |
91130047274 has 16 divisors (see below), whose sum is σ = 156353044416. Its totient is φ = 39023208000.
The previous prime is 91130047273. The next prime is 91130047313. The reversal of 91130047274 is 47274003119.
It is a happy number.
It is a super-2 number, since 2×911300472742 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (91130047271) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2693132 + ... + 2726759.
It is an arithmetic number, because the mean of its divisors is an integer number (9772065276).
Almost surely, 291130047274 is an apocalyptic number.
91130047274 is a deficient number, since it is larger than the sum of its proper divisors (65222997142).
91130047274 is a wasteful number, since it uses less digits than its factorization.
91130047274 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5421101.
The product of its (nonzero) digits is 42336, while the sum is 38.
The spelling of 91130047274 in words is "ninety-one billion, one hundred thirty million, forty-seven thousand, two hundred seventy-four".
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