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1301131442 = 213311614307
BaseRepresentation
bin100110110001101…
…1011000010110010
310100200022022210102
41031203123002302
510131042201232
6333035432402
744146302062
oct11543330262
93320268712
101301131442
11608500346
123038b5702
13179742c80
14c4b373a2
1579365662
hex4d8db0b2

1301131442 has 16 divisors (see below), whose sum is σ = 2169629952. Its totient is φ = 581150160.

The previous prime is 1301131439. The next prime is 1301131463. The reversal of 1301131442 is 2441311031.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 806348 + ... + 807959.

It is an arithmetic number, because the mean of its divisors is an integer number (135601872).

Almost surely, 21301131442 is an apocalyptic number.

1301131442 is a deficient number, since it is larger than the sum of its proper divisors (868498510).

1301131442 is a wasteful number, since it uses less digits than its factorization.

1301131442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1614353.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1301131442 is about 36071.1996196412. The cubic root of 1301131442 is about 1091.7094188749.

Adding to 1301131442 its reverse (2441311031), we get a palindrome (3742442473).

The spelling of 1301131442 in words is "one billion, three hundred one million, one hundred thirty-one thousand, four hundred forty-two".

Divisors: 1 2 13 26 31 62 403 806 1614307 3228614 20985991 41971982 50043517 100087034 650565721 1301131442