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2399200091 = 19143987751
BaseRepresentation
bin1000111100000000…
…1110001101011011
320012012111222210122
42033000032031123
514403143400331
61034023103455
7113311602311
oct21700161533
96165458718
102399200091
1110213165a2
1256b5a1b8b
132c3098832
1418a8d20b1
15e096917b
hex8f00e35b

2399200091 has 8 divisors (see below), whose sum is σ = 2527257600. Its totient is φ = 2271321000.

The previous prime is 2399200039. The next prime is 2399200103. The reversal of 2399200091 is 1900029932.

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 2399200091 - 214 = 2399183707 is a prime.

It is a super-2 number, since 2×23992000912 = 11512322153308816562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2399200891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16535 + ... + 71216.

It is an arithmetic number, because the mean of its divisors is an integer number (315907200).

Almost surely, 22399200091 is an apocalyptic number.

2399200091 is a deficient number, since it is larger than the sum of its proper divisors (128057509).

2399200091 is a wasteful number, since it uses less digits than its factorization.

2399200091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89209.

The product of its (nonzero) digits is 8748, while the sum is 35.

The square root of 2399200091 is about 48981.6301382467. The cubic root of 2399200091 is about 1338.7171376798.

The spelling of 2399200091 in words is "two billion, three hundred ninety-nine million, two hundred thousand, ninety-one".

Divisors: 1 19 1439 27341 87751 1667269 126273689 2399200091