Search a number
-
+
2128622257293 = 37214480423519
BaseRepresentation
bin11110111110011011110…
…001100000010010001101
321112111100100022111220020
4132332123301200102031
5234333404244213133
64305513042212353
7306534146436600
oct36763361402215
97474310274806
102128622257293
1175081a853484
122a465b3540b9
13125960b8111c
1475050d9c337
153a584de60b3
hex1ef9bc6048d

2128622257293 has 12 divisors (see below), whose sum is σ = 3301536562560. Its totient is φ = 1216355575512.

The previous prime is 2128622257261. The next prime is 2128622257339. The reversal of 2128622257293 is 3927522268212.

It is not a de Polignac number, because 2128622257293 - 25 = 2128622257261 is a prime.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2128622257253) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7240211613 + ... + 7240211906.

It is an arithmetic number, because the mean of its divisors is an integer number (275128046880).

Almost surely, 22128622257293 is an apocalyptic number.

It is an amenable number.

2128622257293 is a deficient number, since it is larger than the sum of its proper divisors (1172914305267).

2128622257293 is a wasteful number, since it uses less digits than its factorization.

2128622257293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14480423536 (or 14480423529 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 51.

The spelling of 2128622257293 in words is "two trillion, one hundred twenty-eight billion, six hundred twenty-two million, two hundred fifty-seven thousand, two hundred ninety-three".

Divisors: 1 3 7 21 49 147 14480423519 43441270557 101362964633 304088893899 709540752431 2128622257293