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2164312274 = 22579419603
BaseRepresentation
bin1000000100000000…
…1100100011010010
312120211112110021212
42001000030203102
513413030443044
6554432420122
7104430231215
oct20100144322
95524473255
102164312274
11a10774933
125049a7642
13286517867
1416762b77c
15ca01ca9e
hex8100c8d2

2164312274 has 8 divisors (see below), whose sum is σ = 3247734960. Its totient is φ = 1081733956.

The previous prime is 2164312261. The next prime is 2164312291. The reversal of 2164312274 is 4722134612.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2164312274.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204644 + ... + 214959.

It is an arithmetic number, because the mean of its divisors is an integer number (405966870).

Almost surely, 22164312274 is an apocalyptic number.

2164312274 is a deficient number, since it is larger than the sum of its proper divisors (1083422686).

2164312274 is a wasteful number, since it uses less digits than its factorization.

2164312274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422184.

The product of its digits is 16128, while the sum is 32.

The square root of 2164312274 is about 46522.1697043463. The cubic root of 2164312274 is about 1293.5204748477.

Adding to 2164312274 its reverse (4722134612), we get a palindrome (6886446886).

The spelling of 2164312274 in words is "two billion, one hundred sixty-four million, three hundred twelve thousand, two hundred seventy-four".

Divisors: 1 2 2579 5158 419603 839206 1082156137 2164312274