Search a number
-
+
2055750645 = 351324791693
BaseRepresentation
bin111101010001000…
…0100001111110101
312022021020221201210
41322202010033311
513202233010040
6535553512033
7101641410054
oct17242041765
95267227653
102055750645
11965465983
12494572619
13269b97100
1415704c39b
15c0726480
hex7a8843f5

2055750645 has 48 divisors (see below), whose sum is σ = 3571223040. Its totient is φ = 1009352448.

The previous prime is 2055750607. The next prime is 2055750659. The reversal of 2055750645 is 5460575502.

2055750645 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2055750645 - 210 = 2055749621 is a prime.

It is a super-2 number, since 2×20557506452 = 8452221428835832050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1213419 + ... + 1215111.

It is an arithmetic number, because the mean of its divisors is an integer number (74400480).

Almost surely, 22055750645 is an apocalyptic number.

It is an amenable number.

2055750645 is a deficient number, since it is larger than the sum of its proper divisors (1515472395).

2055750645 is a wasteful number, since it uses less digits than its factorization.

2055750645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2206 (or 2193 counting only the distinct ones).

The product of its (nonzero) digits is 210000, while the sum is 39.

The square root of 2055750645 is about 45340.3864672546. The cubic root of 2055750645 is about 1271.5208277571.

The spelling of 2055750645 in words is "two billion, fifty-five million, seven hundred fifty thousand, six hundred forty-five".

Divisors: 1 3 5 13 15 39 65 169 195 479 507 845 1437 1693 2395 2535 5079 6227 7185 8465 18681 22009 25395 31135 66027 80951 93405 110045 242853 286117 330135 404755 810947 858351 1214265 1430585 2432841 4054735 4291755 10542311 12164205 31626933 52711555 137050043 158134665 411150129 685250215 2055750645