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2231643068 = 224312974669
BaseRepresentation
bin1000010100000100…
…0010101110111100
312202112020012202222
42011001002232330
514032300034233
61005235504512
7106205440004
oct20501025674
95675205688
102231643068
11a45782516
12523458138
13297460475
14172557004
15d0dbc898
hex85042bbc

2231643068 has 12 divisors (see below), whose sum is σ = 3996198360. Its totient is φ = 1089872112.

The previous prime is 2231643053. The next prime is 2231643077. The reversal of 2231643068 is 8603461322.

It is a super-3 number, since 3×22316430683 (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6487163 + ... + 6487506.

It is an arithmetic number, because the mean of its divisors is an integer number (333016530).

Almost surely, 22231643068 is an apocalyptic number.

It is an amenable number.

2231643068 is a deficient number, since it is larger than the sum of its proper divisors (1764555292).

2231643068 is a wasteful number, since it uses less digits than its factorization.

2231643068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12974716 (or 12974714 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 2231643068 is about 47240.2695589261. The cubic root of 2231643068 is about 1306.7973488218.

The spelling of 2231643068 in words is "two billion, two hundred thirty-one million, six hundred forty-three thousand, sixty-eight".

Divisors: 1 2 4 43 86 172 12974669 25949338 51898676 557910767 1115821534 2231643068