Search a number
-
+
2550240420553 = 7677017756937
BaseRepresentation
bin100101000111000110001…
…011001010001011001001
3100000210121122021100211101
4211013012023022023021
5313240343021424203
65231321514501401
7352151222623630
oct45070613121311
910023548240741
102550240420553
118a3607261901
12352306434861
131566431bc237
148b60a308517
154650e64641d
hex251c62ca2c9

2550240420553 has 16 divisors (see below), whose sum is σ = 2962281538944. Its totient is φ = 2150222659200.

The previous prime is 2550240420503. The next prime is 2550240420583. The reversal of 2550240420553 is 3550240420552.

It is a de Polignac number, because none of the positive numbers 2k-2550240420553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2550240420503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3549700 + ... + 4207237.

It is an arithmetic number, because the mean of its divisors is an integer number (185142596184).

Almost surely, 22550240420553 is an apocalyptic number.

It is an amenable number.

2550240420553 is a deficient number, since it is larger than the sum of its proper divisors (412041118391).

2550240420553 is an equidigital number, since it uses as much as digits as its factorization.

2550240420553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7757712.

The product of its (nonzero) digits is 240000, while the sum is 37.

Subtracting 2550240420553 from its reverse (3550240420552), we obtain a palindrome (999999999999).

The spelling of 2550240420553 in words is "two trillion, five hundred fifty billion, two hundred forty million, four hundred twenty thousand, five hundred fifty-three".

Divisors: 1 7 67 469 701 4907 46967 328769 7756937 54298559 519714779 3638003453 5437612837 38063289859 364320060079 2550240420553