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3213142312 = 233186315013
BaseRepresentation
bin1011111110000100…
…1010100100101000
322021221002112121211
42333201022210220
523040031023222
61250500442504
7142424154562
oct27741124450
98257075554
103213142312
1113a980a416
127580a9434
133c28c0753
14226a4a332
1513c147277
hexbf84a928

3213142312 has 32 divisors (see below), whose sum is σ = 6226606080. Its totient is φ = 1552841280.

The previous prime is 3213142267. The next prime is 3213142313. The reversal of 3213142312 is 2132413123.

It is not an unprimeable number, because it can be changed into a prime (3213142313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206518 + ... + 221530.

It is an arithmetic number, because the mean of its divisors is an integer number (194581440).

Almost surely, 23213142312 is an apocalyptic number.

It is an amenable number.

3213142312 is a deficient number, since it is larger than the sum of its proper divisors (3013463768).

3213142312 is a wasteful number, since it uses less digits than its factorization.

3213142312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15913 (or 15909 counting only the distinct ones).

The product of its digits is 864, while the sum is 22.

The square root of 3213142312 is about 56684.5861941322. The cubic root of 3213142312 is about 1475.6272061306.

Adding to 3213142312 its reverse (2132413123), we get a palindrome (5345555435).

The spelling of 3213142312 in words is "three billion, two hundred thirteen million, one hundred forty-two thousand, three hundred twelve".

Divisors: 1 2 4 8 31 62 124 248 863 1726 3452 6904 15013 26753 30026 53506 60052 107012 120104 214024 465403 930806 1861612 3723224 12956219 25912438 51824876 103649752 401642789 803285578 1606571156 3213142312