Base | Representation |
---|---|
bin | 1100101111111001100010… |
… | …00101010001000101100101 |
3 | 10200021000211212222112020211 |
4 | 12113330301011101011211 |
5 | 12133302241200132120 |
6 | 135342402023455421 |
7 | 5622252340554646 |
oct | 627746105210545 |
9 | 120230755875224 |
10 | 28034075005285 |
11 | 8a29203548068 |
12 | 3189236bb7571 |
13 | 12847a95934cb |
14 | 6ccbdc2216cd |
15 | 33936d56425a |
hex | 197f31151165 |
28034075005285 has 32 divisors (see below), whose sum is σ = 36219879171072. Its totient is φ = 20754006927360.
The previous prime is 28034075005259. The next prime is 28034075005333. The reversal of 28034075005285 is 58250057043082.
It is not a de Polignac number, because 28034075005285 - 241 = 25835051749733 is a prime.
It is a super-2 number, since 2×280340750052852 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4113832 + ... + 8543521.
It is an arithmetic number, because the mean of its divisors is an integer number (1131871224096).
Almost surely, 228034075005285 is an apocalyptic number.
It is an amenable number.
28034075005285 is a deficient number, since it is larger than the sum of its proper divisors (8185804165787).
28034075005285 is a wasteful number, since it uses less digits than its factorization.
28034075005285 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12657813.
The product of its (nonzero) digits is 2688000, while the sum is 49.
The spelling of 28034075005285 in words is "twenty-eight trillion, thirty-four billion, seventy-five million, five thousand, two hundred eighty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.079 sec. • engine limits •