Base | Representation |
---|---|
bin | 11010111101000010… |
… | …110010100111001001 |
3 | 2202200222101221012221 |
4 | 122331002302213021 |
5 | 433233001213233 |
6 | 21143455134041 |
7 | 2043124042405 |
oct | 327502624711 |
9 | 82628357187 |
10 | 28941429193 |
11 | 11301756126 |
12 | 5738514321 |
13 | 2962c8b641 |
14 | 1587a12105 |
15 | b45c2842d |
hex | 6bd0b29c9 |
28941429193 has 16 divisors (see below), whose sum is σ = 30774965760. Its totient is φ = 27164894400.
The previous prime is 28941429169. The next prime is 28941429217. The reversal of 28941429193 is 39192414982.
It is an interprime number because it is at equal distance from previous prime (28941429169) and next prime (28941429217).
It is a cyclic number.
It is not a de Polignac number, because 28941429193 - 213 = 28941421001 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 28941429193.
It is not an unprimeable number, because it can be changed into a prime (28941423193) 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, 1309908 + ... + 1331818.
It is an arithmetic number, because the mean of its divisors is an integer number (1923435360).
Almost surely, 228941429193 is an apocalyptic number.
It is an amenable number.
28941429193 is a deficient number, since it is larger than the sum of its proper divisors (1833536567).
28941429193 is a wasteful number, since it uses less digits than its factorization.
28941429193 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23208.
The product of its digits is 1119744, while the sum is 52.
The spelling of 28941429193 in words is "twenty-eight billion, nine hundred forty-one million, four hundred twenty-nine thousand, one hundred ninety-three".
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