Base | Representation |
---|---|
bin | 11010000001111001… |
… | …101001000010100010 |
3 | 2200010211022012021122 |
4 | 122001321221002202 |
5 | 424214442044241 |
6 | 20501211452242 |
7 | 2006415032030 |
oct | 320171510242 |
9 | 80124265248 |
10 | 27949174946 |
11 | 109426428a0 |
12 | 5500157082 |
13 | 2835533c54 |
14 | 14d1d1d550 |
15 | ad8a7704b |
hex | 681e690a2 |
27949174946 has 16 divisors (see below), whose sum is σ = 52268587200. Its totient is φ = 10889288880.
The previous prime is 27949174931. The next prime is 27949174973. The reversal of 27949174946 is 64947194972.
It is a super-2 number, since 2×279491749462 (a number of 22 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90743921 + ... + 90744228.
It is an arithmetic number, because the mean of its divisors is an integer number (3266786700).
Almost surely, 227949174946 is an apocalyptic number.
27949174946 is a deficient number, since it is larger than the sum of its proper divisors (24319412254).
27949174946 is a wasteful number, since it uses less digits than its factorization.
27949174946 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 181488169.
The product of its digits is 27433728, while the sum is 62.
The spelling of 27949174946 in words is "twenty-seven billion, nine hundred forty-nine million, one hundred seventy-four thousand, nine hundred forty-six".
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