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28214653756 = 22127179310283
BaseRepresentation
bin11010010001101110…
…010111001100111100
32200211022211220202011
4122101232113030330
5430240422410011
620543413541004
72016120412522
oct322156271474
980738756664
1028214653756
1110a69488a73
125575044764
132878535bc3
1415192a8312
15b02017621
hex691b9733c

28214653756 has 24 divisors (see below), whose sum is σ = 50042603520. Its totient is φ = 13918009392.

The previous prime is 28214653741. The next prime is 28214653757. The reversal of 28214653756 is 65735641282.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28214653757) 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 7 ways as a sum of consecutive naturals, for example, 64210 + ... + 246073.

It is an arithmetic number, because the mean of its divisors is an integer number (2085108480).

Almost surely, 228214653756 is an apocalyptic number.

It is an amenable number.

28214653756 is a deficient number, since it is larger than the sum of its proper divisors (21827949764).

28214653756 is a wasteful number, since it uses less digits than its factorization.

28214653756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310593 (or 310591 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 49.

The spelling of 28214653756 in words is "twenty-eight billion, two hundred fourteen million, six hundred fifty-three thousand, seven hundred fifty-six".

Divisors: 1 2 4 127 179 254 358 508 716 22733 45466 90932 310283 620566 1241132 39405941 55540657 78811882 111081314 157623764 222162628 7053663439 14107326878 28214653756