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28106050211 = 3128110613041
BaseRepresentation
bin11010001011010000…
…000100101010100011
32200112202111021200122
4122023100010222203
5430030122101321
620524534110455
72013331325231
oct321320045243
980482437618
1028106050211
1110a13150578
1255447ab42b
13285bb9c355
141508ab7951
15ae77138ab
hex68b404aa3

28106050211 has 16 divisors (see below), whose sum is σ = 29152970496. Its totient is φ = 27068160000.

The previous prime is 28106050201. The next prime is 28106050237. The reversal of 28106050211 is 11205060182.

It is a cyclic number.

It is not a de Polignac number, because 28106050211 - 222 = 28101855907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28106050201) 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, 9240851 + ... + 9243891.

It is an arithmetic number, because the mean of its divisors is an integer number (1822060656).

Almost surely, 228106050211 is an apocalyptic number.

28106050211 is a deficient number, since it is larger than the sum of its proper divisors (1046920285).

28106050211 is a wasteful number, since it uses less digits than its factorization.

28106050211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4414.

The product of its (nonzero) digits is 960, while the sum is 26.

The spelling of 28106050211 in words is "twenty-eight billion, one hundred six million, fifty thousand, two hundred eleven".

Divisors: 1 31 281 1061 3041 8711 32891 94271 298141 854521 3226501 9242371 26490151 100021531 906646781 28106050211