Search a number
-
+
2030044145 = 53161721227
BaseRepresentation
bin111100100000000…
…0000001111110001
312020110212221001012
41321000000033301
513124142403040
6533234520305
7101210043023
oct17100001761
95213787035
102030044145
119519a8238
12487a36095
1326476646c
1415387a013
15bd349865
hex790003f1

2030044145 has 16 divisors (see below), whose sum is σ = 2518829568. Its totient is φ = 1569025920.

The previous prime is 2030044139. The next prime is 2030044153. The reversal of 2030044145 is 5414400302.

It is a de Polignac number, because none of the positive numbers 2k-2030044145 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2030044145.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85022 + ... + 106248.

It is an arithmetic number, because the mean of its divisors is an integer number (157426848).

Almost surely, 22030044145 is an apocalyptic number.

It is an amenable number.

2030044145 is a deficient number, since it is larger than the sum of its proper divisors (488785423).

2030044145 is a wasteful number, since it uses less digits than its factorization.

2030044145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21880.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 2030044145 is about 45056.0111971755. The cubic root of 2030044145 is about 1266.1985952528.

Adding to 2030044145 its reverse (5414400302), we get a palindrome (7444444447).

The spelling of 2030044145 in words is "two billion, thirty million, forty-four thousand, one hundred forty-five".

Divisors: 1 5 31 155 617 3085 19127 21227 95635 106135 658037 3290185 13097059 65485295 406008829 2030044145