Search a number
-
+
2164040951 = 2395398729
BaseRepresentation
bin1000000011111100…
…1010010011110111
312120211000200002212
42000333022103313
513412443302301
6554422524035
7104425021202
oct20077122367
95524020085
102164040951
11a105a9aa6
1250489661b
13286451207
1416759a939
15c9eb74bb
hex80fca4f7

2164040951 has 8 divisors (see below), whose sum is σ = 2260522080. Its totient is φ = 2067759232.

The previous prime is 2164040939. The next prime is 2164040953. The reversal of 2164040951 is 1590404612.

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 2164040951 - 230 = 1090299127 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 (2164040953) 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 7 ways as a sum of consecutive naturals, for example, 27446 + ... + 71283.

It is an arithmetic number, because the mean of its divisors is an integer number (282565260).

Almost surely, 22164040951 is an apocalyptic number.

2164040951 is a deficient number, since it is larger than the sum of its proper divisors (96481129).

2164040951 is an equidigital number, since it uses as much as digits as its factorization.

2164040951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99705.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 2164040951 is about 46519.2535516210. The cubic root of 2164040951 is about 1293.4664197210.

The spelling of 2164040951 in words is "two billion, one hundred sixty-four million, forty thousand, nine hundred fifty-one".

Divisors: 1 23 953 21919 98729 2270767 94088737 2164040951