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2112220354 = 28312724219
BaseRepresentation
bin111110111100101…
…1110110011000010
312110012111220121111
41331321132303002
513311212022404
6545332113534
7103225401556
oct17571366302
95405456544
102112220354
11994325462
124ab4658aa
132787a923a
1416074b866
15c567d104
hex7de5ecc2

2112220354 has 8 divisors (see below), whose sum is σ = 3206503440. Its totient is φ = 1043385876.

The previous prime is 2112220351. The next prime is 2112220391. The reversal of 2112220354 is 4530222112.

It is a happy number.

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

It is a super-2 number, since 2×21122203542 = 8922949647703770632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2112220351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6361944 + ... + 6362275.

It is an arithmetic number, because the mean of its divisors is an integer number (400812930).

Almost surely, 22112220354 is an apocalyptic number.

2112220354 is a deficient number, since it is larger than the sum of its proper divisors (1094283086).

2112220354 is a wasteful number, since it uses less digits than its factorization.

2112220354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12724304.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 2112220354 is about 45958.8985290118. The cubic root of 2112220354 is about 1283.0583512180.

Adding to 2112220354 its reverse (4530222112), we get a palindrome (6642442466).

The spelling of 2112220354 in words is "two billion, one hundred twelve million, two hundred twenty thousand, three hundred fifty-four".

Divisors: 1 2 83 166 12724219 25448438 1056110177 2112220354