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1420131113 = 2361744831
BaseRepresentation
bin101010010100101…
…0111101100101001
310122222020010122122
41110221113230221
510402023143423
6352530201025
750122625642
oct12451275451
93588203578
101420131113
11669699585
12337723175
131982a978b
14d68726c9
1584a1e8c8
hex54a57b29

1420131113 has 4 divisors (see below), whose sum is σ = 1481875968. Its totient is φ = 1358386260.

The previous prime is 1420131109. The next prime is 1420131133. The reversal of 1420131113 is 3111310241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1420131113 - 22 = 1420131109 is a prime.

It is a super-2 number, since 2×14201311132 = 4033544756221237538, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1420131091 and 1420131100.

It is not an unprimeable number, because it can be changed into a prime (1420131103) 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, 30872393 + ... + 30872438.

It is an arithmetic number, because the mean of its divisors is an integer number (370468992).

Almost surely, 21420131113 is an apocalyptic number.

It is an amenable number.

1420131113 is a deficient number, since it is larger than the sum of its proper divisors (61744855).

1420131113 is an equidigital number, since it uses as much as digits as its factorization.

1420131113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61744854.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1420131113 is about 37684.6270115547. The cubic root of 1420131113 is about 1124.0254574027.

Adding to 1420131113 its reverse (3111310241), we get a palindrome (4531441354).

The spelling of 1420131113 in words is "one billion, four hundred twenty million, one hundred thirty-one thousand, one hundred thirteen".

Divisors: 1 23 61744831 1420131113