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2112231355 = 51332495867
BaseRepresentation
bin111110111100110…
…0001011110111011
312110012112110200221
41331321201132323
513311212400410
6545332240511
7103225445623
oct17571413673
95405473627
102112231355
11994332753
124ab470137
132787b1250
14160751883
15c56814da
hex7de617bb

2112231355 has 8 divisors (see below), whose sum is σ = 2729652912. Its totient is φ = 1559801568.

The previous prime is 2112231263. The next prime is 2112231367. The reversal of 2112231355 is 5531322112.

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

It is not a de Polignac number, because 2112231355 - 29 = 2112230843 is a prime.

It is a super-4 number, since 4×21122313554 (a number of 38 digits) contains 4444 as substring.

It is a Duffinian 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, 16247869 + ... + 16247998.

It is an arithmetic number, because the mean of its divisors is an integer number (341206614).

Almost surely, 22112231355 is an apocalyptic number.

2112231355 is a deficient number, since it is larger than the sum of its proper divisors (617421557).

2112231355 is a wasteful number, since it uses less digits than its factorization.

2112231355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32495885.

The product of its digits is 1800, while the sum is 25.

The square root of 2112231355 is about 45959.0182118809. The cubic root of 2112231355 is about 1283.0605787161.

Adding to 2112231355 its reverse (5531322112), we get a palindrome (7643553467).

The spelling of 2112231355 in words is "two billion, one hundred twelve million, two hundred thirty-one thousand, three hundred fifty-five".

Divisors: 1 5 13 65 32495867 162479335 422446271 2112231355