Base | Representation |
---|---|
bin | 11010100010111010… |
… | …101001001010111010 |
3 | 2201120102120210001202 |
4 | 122202322221022322 |
5 | 431333242221004 |
6 | 21032200014202 |
7 | 2026222142243 |
oct | 324272511272 |
9 | 81512523052 |
10 | 28503085754 |
11 | 110a7281220 |
12 | 5635761362 |
13 | 28c3213520 |
14 | 1545709cca |
15 | b1c4ddb1e |
hex | 6a2ea92ba |
28503085754 has 64 divisors (see below), whose sum is σ = 54220803840. Its totient is φ = 11044830720.
The previous prime is 28503085729. The next prime is 28503085759. The reversal of 28503085754 is 45758030582.
It is a junction number, because it is equal to n+sod(n) for n = 28503085699 and 28503085708.
It is not an unprimeable number, because it can be changed into a prime (28503085759) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 116054 + ... + 265470.
It is an arithmetic number, because the mean of its divisors is an integer number (847200060).
Almost surely, 228503085754 is an apocalyptic number.
28503085754 is a deficient number, since it is larger than the sum of its proper divisors (25717718086).
28503085754 is a wasteful number, since it uses less digits than its factorization.
28503085754 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 149495.
The product of its (nonzero) digits is 1344000, while the sum is 47.
The spelling of 28503085754 in words is "twenty-eight billion, five hundred three million, eighty-five thousand, seven hundred fifty-four".
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