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2168308074 = 23615924339
BaseRepresentation
bin1000000100111101…
…1100000101101010
312121010001110111110
42001033130011222
513420041324244
6555054211150
7104506212612
oct20117340552
95533043443
102168308074
11a12a53a49
125061b3ab6
132872b653a
14167d8ba42
15ca55b9b9
hex813dc16a

2168308074 has 16 divisors (see below), whose sum is σ = 4407708960. Its totient is φ = 710920560.

The previous prime is 2168308039. The next prime is 2168308091. The reversal of 2168308074 is 4708038612.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2961804 + ... + 2962535.

It is an arithmetic number, because the mean of its divisors is an integer number (275481810).

Almost surely, 22168308074 is an apocalyptic number.

2168308074 is an abundant number, since it is smaller than the sum of its proper divisors (2239400886).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2168308074 is a wasteful number, since it uses less digits than its factorization.

2168308074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5924405.

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 2168308074 is about 46565.0950176202. The cubic root of 2168308074 is about 1294.3160272594.

The spelling of 2168308074 in words is "two billion, one hundred sixty-eight million, three hundred eight thousand, seventy-four".

Divisors: 1 2 3 6 61 122 183 366 5924339 11848678 17773017 35546034 361384679 722769358 1084154037 2168308074