Search a number
-
+
2311122001 = 17991137183
BaseRepresentation
bin1000100111000000…
…1110110001010001
312222001210011101011
42021300032301101
514213121401001
61021155210521
7111162133006
oct21160166121
95861704334
102311122001
11a86628191
12545ba6a41
132aaa6a616
1417cd258ad
15d7d6bd51
hex89c0ec51

2311122001 has 8 divisors (see below), whose sum is σ = 2449557504. Its totient is φ = 2172962880.

The previous prime is 2311121983. The next prime is 2311122029. The reversal of 2311122001 is 1002211132.

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 2311122001 - 211 = 2311119953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2311122031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51745 + ... + 85438.

It is an arithmetic number, because the mean of its divisors is an integer number (306194688).

Almost surely, 22311122001 is an apocalyptic number.

It is an amenable number.

2311122001 is a deficient number, since it is larger than the sum of its proper divisors (138435503).

2311122001 is a wasteful number, since it uses less digits than its factorization.

2311122001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138191.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 2311122001 is about 48074.1302677438. The cubic root of 2311122001 is about 1322.1303983941.

Adding to 2311122001 its reverse (1002211132), we get a palindrome (3313333133).

The spelling of 2311122001 in words is "two billion, three hundred eleven million, one hundred twenty-two thousand, one".

Divisors: 1 17 991 16847 137183 2332111 135948353 2311122001