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1240201012 = 22437210471
BaseRepresentation
bin100100111101011…
…1111011100110100
310012102122201221211
41021322333130310
510014442413022
6323021451204
742506351251
oct11172773464
93172581854
101240201012
11587074416
122a7410b04
13169c2b66b
14ba9d6428
1573d2be77
hex49ebf734

1240201012 has 12 divisors (see below), whose sum is σ = 2220825376. Its totient is φ = 605679480.

The previous prime is 1240200991. The next prime is 1240201069. The reversal of 1240201012 is 2101020421.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1240200983 and 1240201001.

It is a congruent number.

It is an unprimeable number.

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, 3605064 + ... + 3605407.

Almost surely, 21240201012 is an apocalyptic number.

It is an amenable number.

1240201012 is a deficient number, since it is larger than the sum of its proper divisors (980624364).

1240201012 is a wasteful number, since it uses less digits than its factorization.

1240201012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7210518 (or 7210516 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1240201012 is about 35216.4877862628. The cubic root of 1240201012 is about 1074.3951201758.

Adding to 1240201012 its reverse (2101020421), we get a palindrome (3341221433).

The spelling of 1240201012 in words is "one billion, two hundred forty million, two hundred one thousand, twelve".

Divisors: 1 2 4 43 86 172 7210471 14420942 28841884 310050253 620100506 1240201012