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1429999999 = 17233657289
BaseRepresentation
bin101010100111100…
…0001000101111111
310200122210112012221
41111033001011333
510412034444444
6353521510211
750302541131
oct12517010577
93618715187
101429999999
1167421a18a
1233aaa2367
1319a35375c
14d7cc1051
158581da84
hex553c117f

1429999999 has 8 divisors (see below), whose sum is σ = 1579949280. Its totient is φ = 1287365376.

The previous prime is 1429999981. The next prime is 1430000017. The reversal of 1429999999 is 9999999241.

It is an interprime number because it is at equal distance from previous prime (1429999981) and next prime (1430000017).

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

It is a cyclic number.

It is not a de Polignac number, because 1429999999 - 213 = 1429991807 is a prime.

It is a Duffinian number.

1429999999 is a modest number, since divided by 99999 gives 14299 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1429999969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1828254 + ... + 1829035.

It is an arithmetic number, because the mean of its divisors is an integer number (197493660).

Almost surely, 21429999999 is an apocalyptic number.

1429999999 is a deficient number, since it is larger than the sum of its proper divisors (149949281).

1429999999 is a wasteful number, since it uses less digits than its factorization.

1429999999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3657329.

The product of its digits is 38263752, while the sum is 70.

The square root of 1429999999 is about 37815.3407891559. The cubic root of 1429999999 is about 1126.6231710720.

The spelling of 1429999999 in words is "one billion, four hundred twenty-nine million, nine hundred ninety-nine thousand, nine hundred ninety-nine".

Divisors: 1 17 23 391 3657289 62173913 84117647 1429999999