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1914129999 = 32316860681
BaseRepresentation
bin111001000010111…
…0100111001001111
311221101202212201200
41302011310321033
512410004124444
6513534240543
765301556635
oct16205647117
94841685650
101914129999
118a2527221
12455056153
13246740202
14142305355
15b309e969
hex72174e4f

1914129999 has 12 divisors (see below), whose sum is σ = 2854043712. Its totient is φ = 1234922400.

The previous prime is 1914129983. The next prime is 1914130019. The reversal of 1914129999 is 9999214191.

It is not a de Polignac number, because 1914129999 - 24 = 1914129983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1914129929) 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 11 ways as a sum of consecutive naturals, for example, 3430062 + ... + 3430619.

It is an arithmetic number, because the mean of its divisors is an integer number (237836976).

Almost surely, 21914129999 is an apocalyptic number.

1914129999 is a deficient number, since it is larger than the sum of its proper divisors (939913713).

1914129999 is a wasteful number, since it uses less digits than its factorization.

1914129999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6860718 (or 6860715 counting only the distinct ones).

The product of its digits is 472392, while the sum is 54.

The square root of 1914129999 is about 43750.7714103420. The cubic root of 1914129999 is about 1241.6250803443.

The spelling of 1914129999 in words is "one billion, nine hundred fourteen million, one hundred twenty-nine thousand, nine hundred ninety-nine".

Divisors: 1 3 9 31 93 279 6860681 20582043 61746129 212681111 638043333 1914129999