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2303129999 = 532819911
BaseRepresentation
bin1000100101000110…
…1111100110001111
312221111202010102002
42021101233212033
514204100124444
61020312022515
7111034165502
oct21121574617
95844663362
102303129999
11a82069725
12543391a3b
132a91cca21
1417bc45139
15d72ddd4e
hex8946f98f

2303129999 has 6 divisors (see below), whose sum is σ = 2347408056. Its totient is φ = 2259671960.

The previous prime is 2303129993. The next prime is 2303130007. The reversal of 2303129999 is 9999213032.

It is a de Polignac number, because none of the positive numbers 2k-2303129999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2303129993) 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 5 ways as a sum of consecutive naturals, for example, 407147 + ... + 412764.

It is an arithmetic number, because the mean of its divisors is an integer number (391234676).

Almost surely, 22303129999 is an apocalyptic number.

2303129999 is a deficient number, since it is larger than the sum of its proper divisors (44278057).

2303129999 is an frugal number, since it uses more digits than its factorization.

2303129999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820017 (or 819964 counting only the distinct ones).

The product of its (nonzero) digits is 236196, while the sum is 47.

The square root of 2303129999 is about 47990.9366339104. The cubic root of 2303129999 is about 1320.6046355727.

The spelling of 2303129999 in words is "two billion, three hundred three million, one hundred twenty-nine thousand, nine hundred ninety-nine".

Divisors: 1 53 2809 819911 43455283 2303129999