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228725477312854 = 21921482721366041
BaseRepresentation
bin110100000000011001001100…
…110100111000100101010110
31002222211221102210000221210011
4310000121030310320211112
5214434414234143002404
62130243011140150434
766114604356640354
oct6400311464704526
91088757383027704
10228725477312854
1166973a2609a475
12217a064369841a
139a819489aaa42
14406a52d33a7d4
151b69a1b99b604
hexd0064cd38956

228725477312854 has 24 divisors (see below), whose sum is σ = 362120311696968. Its totient is φ = 108336334891680.

The previous prime is 228725477312851. The next prime is 228725477313007. The reversal of 228725477312854 is 458213774527822.

It is a happy number.

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 228725477312854.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228725477312851) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22074 + ... + 21388114.

It is an arithmetic number, because the mean of its divisors is an integer number (15088346320707).

Almost surely, 2228725477312854 is an apocalyptic number.

228725477312854 is a deficient number, since it is larger than the sum of its proper divisors (133394834384114).

228725477312854 is a wasteful number, since it uses less digits than its factorization.

228725477312854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21380908 (or 21380889 counting only the distinct ones).

The product of its digits is 421478400, while the sum is 67.

The spelling of 228725477312854 in words is "two hundred twenty-eight trillion, seven hundred twenty-five billion, four hundred seventy-seven million, three hundred twelve thousand, eight hundred fifty-four".

Divisors: 1 2 19 38 361 722 14827 29654 281713 563426 5352547 10705094 21366041 42732082 405954779 811909558 7713140801 15426281602 316794289907 633588579814 6019091508233 12038183016466 114362738656427 228725477312854