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28234884299 = 175989316297
BaseRepresentation
bin11010010010111011…
…100010010011001011
32200212201220201211112
4122102323202103023
5430311112244144
620545415320535
72016454361636
oct322273422313
980781821745
1028234884299
1110a79946526
12557b98014b
13287c79a23b
14151bc52c1d
15b03bb199e
hex692ee24cb

28234884299 has 16 divisors (see below), whose sum is σ = 30744165600. Its totient is φ = 25829996544.

The previous prime is 28234884283. The next prime is 28234884347. The reversal of 28234884299 is 99248843282.

It is a cyclic number.

It is not a de Polignac number, because 28234884299 - 24 = 28234884283 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (59).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28234884269) 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, 68882 + ... + 247415.

It is an arithmetic number, because the mean of its divisors is an integer number (1921510350).

Almost surely, 228234884299 is an apocalyptic number.

28234884299 is a deficient number, since it is larger than the sum of its proper divisors (2509281301).

28234884299 is a wasteful number, since it uses less digits than its factorization.

28234884299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316462.

The product of its digits is 15925248, while the sum is 59.

The spelling of 28234884299 in words is "twenty-eight billion, two hundred thirty-four million, eight hundred eighty-four thousand, two hundred ninety-nine".

Divisors: 1 17 59 89 1003 1513 5251 89267 316297 5377049 18661523 28150433 317245891 478557361 1660875547 28234884299