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28741893063 = 3132279773323
BaseRepresentation
bin11010110001001001…
…100111101111000111
32202012001221110002220
4122301021213233013
5432330411034223
621112010303423
72035152026412
oct326111475707
982161843086
1028741893063
111120a05a734
1256a1727b73
132930837520
141569310b79
15b334616e3
hex6b1267bc7

28741893063 has 32 divisors (see below), whose sum is σ = 41507133696. Its totient is φ = 17586083328.

The previous prime is 28741893053. The next prime is 28741893097. The reversal of 28741893063 is 36039814782.

It is not a de Polignac number, because 28741893063 - 221 = 28739795911 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28741892997 and 28741893015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28741893023) 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, 8647720 + ... + 8651042.

It is an arithmetic number, because the mean of its divisors is an integer number (1297097928).

Almost surely, 228741893063 is an apocalyptic number.

28741893063 is a deficient number, since it is larger than the sum of its proper divisors (12765240633).

28741893063 is a wasteful number, since it uses less digits than its factorization.

28741893063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4543.

The product of its (nonzero) digits is 1741824, while the sum is 51.

The spelling of 28741893063 in words is "twenty-eight billion, seven hundred forty-one million, eight hundred ninety-three thousand, sixty-three".

Divisors: 1 3 13 39 227 681 977 2931 2951 3323 8853 9969 12701 38103 43199 129597 221779 665337 754321 2262963 2883127 3246571 8649381 9739713 9806173 29418519 42205423 126616269 736971617 2210914851 9580631021 28741893063