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1300320142 = 211471257563
BaseRepresentation
bin100110110000001…
…0100111110001110
310100121210002220021
41031200110332032
510130340221032
6333010212354
744136352552
oct11540247616
93317702807
101300320142
11607aa6850
123035840ba
1317951a904
14c49a5862
1579255097
hex4d814f8e

1300320142 has 16 divisors (see below), whose sum is σ = 2173070592. Its totient is φ = 578478520.

The previous prime is 1300320139. The next prime is 1300320143. The reversal of 1300320142 is 2410230031.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1300320143) 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, 627748 + ... + 629815.

It is an arithmetic number, because the mean of its divisors is an integer number (135816912).

Almost surely, 21300320142 is an apocalyptic number.

1300320142 is a deficient number, since it is larger than the sum of its proper divisors (872750450).

1300320142 is a wasteful number, since it uses less digits than its factorization.

1300320142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1257623.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1300320142 is about 36059.9520521035. The cubic root of 1300320142 is about 1091.4824656311.

Adding to 1300320142 its reverse (2410230031), we get a palindrome (3710550173).

The spelling of 1300320142 in words is "one billion, three hundred million, three hundred twenty thousand, one hundred forty-two".

Divisors: 1 2 11 22 47 94 517 1034 1257563 2515126 13833193 27666386 59105461 118210922 650160071 1300320142