Search a number
-
+
28025503053 = 329476853877
BaseRepresentation
bin11010000110011100…
…110011110101001101
32200100010221001202120
4122012130303311031
5424344012044203
620512535443153
72011332562662
oct320634636515
980303831676
1028025503053
1110981736279
1255218264b9
1328482a9c02
1414dc10ba69
15ae0602b53
hex686733d4d

28025503053 has 16 divisors (see below), whose sum is σ = 39478337280. Its totient is φ = 17655584576.

The previous prime is 28025503043. The next prime is 28025503061. The reversal of 28025503053 is 35030552082.

It is a cyclic number.

It is not a de Polignac number, because 28025503053 - 220 = 28024454477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28025503043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3422850 + ... + 3431027.

It is an arithmetic number, because the mean of its divisors is an integer number (2467396080).

Almost surely, 228025503053 is an apocalyptic number.

It is an amenable number.

28025503053 is a deficient number, since it is larger than the sum of its proper divisors (11452834227).

28025503053 is a wasteful number, since it uses less digits than its factorization.

28025503053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6853956.

The product of its (nonzero) digits is 36000, while the sum is 33.

The spelling of 28025503053 in words is "twenty-eight billion, twenty-five million, five hundred three thousand, fifty-three".

Divisors: 1 3 29 47 87 141 1363 4089 6853877 20561631 198762433 322132219 596287299 966396657 9341834351 28025503053