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28146083329 = 7131321234139
BaseRepresentation
bin11010001101101000…
…110010011000000001
32200122112211011210201
4122031220302120001
5430120344131304
620532524125201
72014325521660
oct321550623001
980575734721
1028146083329
1110a33803aa1
125556096801
132867277ca0
141510138dd7
15aeaec03a4
hex68da32601

28146083329 has 16 divisors (see below), whose sum is σ = 34667704960. Its totient is φ = 22252475520.

The previous prime is 28146083297. The next prime is 28146083351. The reversal of 28146083329 is 92338064182.

It is a cyclic number.

It is not a de Polignac number, because 28146083329 - 25 = 28146083297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28146083359) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3142 + ... + 237280.

It is an arithmetic number, because the mean of its divisors is an integer number (2166731560).

Almost surely, 228146083329 is an apocalyptic number.

It is an amenable number.

28146083329 is a deficient number, since it is larger than the sum of its proper divisors (6521621631).

28146083329 is a wasteful number, since it uses less digits than its factorization.

28146083329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235480.

The product of its (nonzero) digits is 497664, while the sum is 46.

The spelling of 28146083329 in words is "twenty-eight billion, one hundred forty-six million, eighty-three thousand, three hundred twenty-nine".

Divisors: 1 7 13 91 1321 9247 17173 120211 234139 1638973 3043807 21306649 309297619 2165083333 4020869047 28146083329