Search a number
-
+
2640331353 = 311174706473
BaseRepresentation
bin1001110101100000…
…0100001001011001
320211000020201201010
42131120010021121
520401411100403
61113555244133
7122300306022
oct23530041131
96730221633
102640331353
111135442030
126182a9649
1333102455a
141b093dc49
15106bea603
hex9d604259

2640331353 has 16 divisors (see below), whose sum is σ = 4066393536. Its totient is φ = 1506071040.

The previous prime is 2640331327. The next prime is 2640331399. The reversal of 2640331353 is 3531330462.

It is not a de Polignac number, because 2640331353 - 25 = 2640331321 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2640331353.

It is not an unprimeable number, because it can be changed into a prime (2640331313) 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 15 ways as a sum of consecutive naturals, for example, 2352676 + ... + 2353797.

It is an arithmetic number, because the mean of its divisors is an integer number (254149596).

Almost surely, 22640331353 is an apocalyptic number.

It is an amenable number.

2640331353 is a deficient number, since it is larger than the sum of its proper divisors (1426062183).

2640331353 is a wasteful number, since it uses less digits than its factorization.

2640331353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4706504.

The product of its (nonzero) digits is 19440, while the sum is 30.

The square root of 2640331353 is about 51384.1546879970. The cubic root of 2640331353 is about 1382.1424665496.

The spelling of 2640331353 in words is "two billion, six hundred forty million, three hundred thirty-one thousand, three hundred fifty-three".

Divisors: 1 3 11 17 33 51 187 561 4706473 14119419 51771203 80010041 155313609 240030123 880110451 2640331353