Base | Representation |
---|---|
bin | 101111111010011110… |
… | …0100111011110001011 |
3 | 100211120211210112112022 |
4 | 1133310330213132023 |
5 | 3141211301410302 |
6 | 115134014435055 |
7 | 10301542455320 |
oct | 1376474473613 |
9 | 324524715468 |
10 | 102893778827 |
11 | 3a700945a54 |
12 | 17b36b02a8b |
13 | 991a1b28c8 |
14 | 4da14d6b47 |
15 | 2a232ea8a2 |
hex | 17f4f2778b |
102893778827 has 8 divisors (see below), whose sum is σ = 119585990400. Its totient is φ = 86699842344.
The previous prime is 102893778781. The next prime is 102893778877. The reversal of 102893778827 is 728877398201.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 102893778827 - 28 = 102893778571 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 102893778827.
It is not an unprimeable number, because it can be changed into a prime (102893778877) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124568327 + ... + 124569152.
It is an arithmetic number, because the mean of its divisors is an integer number (14948248800).
Almost surely, 2102893778827 is an apocalyptic number.
102893778827 is a deficient number, since it is larger than the sum of its proper divisors (16692211573).
102893778827 is an equidigital number, since it uses as much as digits as its factorization.
102893778827 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 249137545.
The product of its (nonzero) digits is 18966528, while the sum is 62.
The spelling of 102893778827 in words is "one hundred two billion, eight hundred ninety-three million, seven hundred seventy-eight thousand, eight hundred twenty-seven".
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