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28334624925 = 352394795717
BaseRepresentation
bin11010011000111000…
…000001000010011101
32201010200121002020210
4122120320001002131
5431012130444200
621003341203033
72022105223635
oct323070010235
981120532223
1028334624925
11110201800a2
1255a9260479
13289734c969
14152b1b76c5
15b0c814650
hex698e0109d

28334624925 has 24 divisors (see below), whose sum is σ = 46858938336. Its totient is φ = 15107813440.

The previous prime is 28334624917. The next prime is 28334624951. The reversal of 28334624925 is 52942643382.

It is not a de Polignac number, because 28334624925 - 23 = 28334624917 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 248167 + ... + 343883.

It is an arithmetic number, because the mean of its divisors is an integer number (1952455764).

Almost surely, 228334624925 is an apocalyptic number.

28334624925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

28334624925 is a deficient number, since it is larger than the sum of its proper divisors (18524313411).

28334624925 is a wasteful number, since it uses less digits than its factorization.

28334624925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99677 (or 99672 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 48.

The spelling of 28334624925 in words is "twenty-eight billion, three hundred thirty-four million, six hundred twenty-four thousand, nine hundred twenty-five".

Divisors: 1 3 5 15 25 75 3947 11841 19735 59205 95717 98675 287151 296025 478585 1435755 2392925 7178775 377794999 1133384997 1888974995 5666924985 9444874975 28334624925