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1430002111 = 1975263269
BaseRepresentation
bin101010100111100…
…0001100110111111
310200122210122010011
41111033001212333
510412040031421
6353521524051
750302550236
oct12517014677
93618718104
101430002111
1167422082a
1233aaa3627
1319a3546c5
14d7cc1b1d
158581e4e1
hex553c19bf

1430002111 has 4 divisors (see below), whose sum is σ = 1505265400. Its totient is φ = 1354738824.

The previous prime is 1430002087. The next prime is 1430002139. The reversal of 1430002111 is 1112000341.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1430002111 - 213 = 1429993919 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1430002091 and 1430002100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1430003111) 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, 37631616 + ... + 37631653.

It is an arithmetic number, because the mean of its divisors is an integer number (376316350).

Almost surely, 21430002111 is an apocalyptic number.

1430002111 is a deficient number, since it is larger than the sum of its proper divisors (75263289).

1430002111 is an equidigital number, since it uses as much as digits as its factorization.

1430002111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75263288.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1430002111 is about 37815.3687143204. The cubic root of 1430002111 is about 1126.6237257169.

Adding to 1430002111 its reverse (1112000341), we get a palindrome (2542002452).

The spelling of 1430002111 in words is "one billion, four hundred thirty million, two thousand, one hundred eleven".

Divisors: 1 19 75263269 1430002111