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1213413042 = 23286170687
BaseRepresentation
bin100100001010011…
…0011011010110010
310010120020202202210
41020110303122302
54441113204132
6320223352550
742032561232
oct11024633262
93116222683
101213413042
11572a381a6
1229a452756
1316450c6aa
14b7221cc2
15717d9bcc
hex485336b2

1213413042 has 16 divisors (see below), whose sum is σ = 2427708672. Its totient is φ = 404323920.

The previous prime is 1213413023. The next prime is 1213413043. The reversal of 1213413042 is 2403143121.

It is not an unprimeable number, because it can be changed into a prime (1213413043) 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, 18178 + ... + 52509.

It is an arithmetic number, because the mean of its divisors is an integer number (151731792).

Almost surely, 21213413042 is an apocalyptic number.

1213413042 is an abundant number, since it is smaller than the sum of its proper divisors (1214295630).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1213413042 is a wasteful number, since it uses less digits than its factorization.

1213413042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73553.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1213413042 is about 34834.0787448154. The cubic root of 1213413042 is about 1066.6032094845.

Adding to 1213413042 its reverse (2403143121), we get a palindrome (3616556163).

The spelling of 1213413042 in words is "one billion, two hundred thirteen million, four hundred thirteen thousand, forty-two".

Divisors: 1 2 3 6 2861 5722 8583 17166 70687 141374 212061 424122 202235507 404471014 606706521 1213413042