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1313201242 = 21314749943
BaseRepresentation
bin100111001000101…
…1101110001011010
310101112000112110001
41032101131301122
510142134414432
6334150243214
744354012023
oct11621356132
93345015401
101313201242
116142a4591
1230795650a
1317c0aa972
14c6599c4a
157a44b9e7
hex4e45dc5a

1313201242 has 8 divisors (see below), whose sum is σ = 1969991136. Its totient is φ = 656537532.

The previous prime is 1313201237. The next prime is 1313201243. The reversal of 1313201242 is 2421023131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1313201243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1323 + ... + 51265.

It is an arithmetic number, because the mean of its divisors is an integer number (246248892).

Almost surely, 21313201242 is an apocalyptic number.

1313201242 is a deficient number, since it is larger than the sum of its proper divisors (656789894).

1313201242 is a wasteful number, since it uses less digits than its factorization.

1313201242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63092.

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

The square root of 1313201242 is about 36238.1186321807. The cubic root of 1313201242 is about 1095.0747409072.

Adding to 1313201242 its reverse (2421023131), we get a palindrome (3734224373).

The spelling of 1313201242 in words is "one billion, three hundred thirteen million, two hundred one thousand, two hundred forty-two".

Divisors: 1 2 13147 26294 49943 99886 656600621 1313201242