Search a number
-
+
2300130987 = 37112905207
BaseRepresentation
bin1000100100011001…
…0011011010101011
312221022002202112120
42021012103122223
514202313142422
61020123442323
7110666535150
oct21106233253
95838082476
102300130987
11a80400500
125423863a3
132a86bc96b
1417b6a4227
15d6dea45c
hex891936ab

2300130987 has 24 divisors (see below), whose sum is σ = 3852565248. Its totient is φ = 1194871920.

The previous prime is 2300130977. The next prime is 2300131003. The reversal of 2300130987 is 7890310032.

It is not a de Polignac number, because 2300130987 - 210 = 2300129963 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (2300130907) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 450063 + ... + 455144.

It is an arithmetic number, because the mean of its divisors is an integer number (160523552).

Almost surely, 22300130987 is an apocalyptic number.

2300130987 is a deficient number, since it is larger than the sum of its proper divisors (1552434261).

2300130987 is a wasteful number, since it uses less digits than its factorization.

2300130987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905239 (or 905228 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 2300130987 is about 47959.6808475619. The cubic root of 2300130987 is about 1320.0311798190.

The spelling of 2300130987 in words is "two billion, three hundred million, one hundred thirty thousand, nine hundred eighty-seven".

Divisors: 1 3 7 11 21 33 77 121 231 363 847 2541 905207 2715621 6336449 9957277 19009347 29871831 69700939 109530047 209102817 328590141 766710329 2300130987