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1201213342 = 27243614673
BaseRepresentation
bin100011110011001…
…0000111110011110
310002201021221221001
41013212100332132
54430002311332
6315110100514
741524100500
oct10746207636
93081257831
101201213342
115670653aa
1229634a73a
13161b2a834
14b5767d70
15706ca0e7
hex47990f9e

1201213342 has 48 divisors (see below), whose sum is σ = 2180364912. Its totient is φ = 494484480.

The previous prime is 1201213339. The next prime is 1201213369. The reversal of 1201213342 is 2433121021.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 254718 + ... + 259390.

It is an arithmetic number, because the mean of its divisors is an integer number (45424269).

Almost surely, 21201213342 is an apocalyptic number.

1201213342 is a deficient number, since it is larger than the sum of its proper divisors (979151570).

1201213342 is a wasteful number, since it uses less digits than its factorization.

1201213342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4793 (or 4786 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1201213342 is about 34658.5248099223. The cubic root of 1201213342 is about 1063.0166063908.

Adding to 1201213342 its reverse (2433121021), we get a palindrome (3634334363).

The spelling of 1201213342 in words is "one billion, two hundred one million, two hundred thirteen thousand, three hundred forty-two".

Divisors: 1 2 7 14 43 49 61 86 98 122 301 427 602 854 2107 2623 2989 4214 4673 5246 5978 9346 18361 32711 36722 65422 128527 200939 228977 257054 285053 401878 457954 570106 1406573 1995371 2813146 3990742 9846011 12257279 13967597 19692022 24514558 27935194 85800953 171601906 600606671 1201213342