Search a number
-
+
2199010631 = 9372346863
BaseRepresentation
bin1000001100010010…
…0011110101000111
312200020211022111012
42003010203311013
514000421320011
61002112232435
7105331165466
oct20304436507
95606738435
102199010631
11a29314264
1251453b71b
1329077622c
1416c0a09dd
15cd0c3a8b
hex83123d47

2199010631 has 4 divisors (see below), whose sum is σ = 2201358432. Its totient is φ = 2196662832.

The previous prime is 2199010613. The next prime is 2199010643. The reversal of 2199010631 is 1360109912.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2199010631 is a prime.

It is a super-2 number, since 2×21990106312 = 9671295510502036322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2199010691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1172495 + ... + 1174368.

It is an arithmetic number, because the mean of its divisors is an integer number (550339608).

Almost surely, 22199010631 is an apocalyptic number.

2199010631 is a deficient number, since it is larger than the sum of its proper divisors (2347801).

2199010631 is an equidigital number, since it uses as much as digits as its factorization.

2199010631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2347800.

The product of its (nonzero) digits is 2916, while the sum is 32.

The square root of 2199010631 is about 46893.6097032421. The cubic root of 2199010631 is about 1300.3964532455.

The spelling of 2199010631 in words is "two billion, one hundred ninety-nine million, ten thousand, six hundred thirty-one".

Divisors: 1 937 2346863 2199010631