Search a number
-
+
2554221012 = 223730407393
BaseRepresentation
bin1001100000111110…
…0101000111010100
320121000012212112020
42120033211013110
520212340033022
61101241453140
7120203343330
oct23017450724
96530185466
102554221012
1110a0878062
125b34a11b0
13319234ba5
141a33267c0
15ee38b35c
hex983e51d4

2554221012 has 24 divisors (see below), whose sum is σ = 6811256256. Its totient is φ = 729777408.

The previous prime is 2554221011. The next prime is 2554221029. The reversal of 2554221012 is 2101224552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2554221011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15203613 + ... + 15203780.

It is an arithmetic number, because the mean of its divisors is an integer number (283802344).

Almost surely, 22554221012 is an apocalyptic number.

It is an amenable number.

2554221012 is an abundant number, since it is smaller than the sum of its proper divisors (4257035244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2554221012 is a wasteful number, since it uses less digits than its factorization.

2554221012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30407407 (or 30407405 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 2554221012 is about 50539.3016572251. The cubic root of 2554221012 is about 1366.9506140397.

Adding to 2554221012 its reverse (2101224552), we get a palindrome (4655445564).

The spelling of 2554221012 in words is "two billion, five hundred fifty-four million, two hundred twenty-one thousand, twelve".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 30407393 60814786 91222179 121629572 182444358 212851751 364888716 425703502 638555253 851407004 1277110506 2554221012