Search a number
-
+
28115054210 = 2537431767131
BaseRepresentation
bin11010001011110010…
…011010111010000010
32200120101102201212002
4122023302122322002
5430034423213320
620525455104002
72013501006035
oct321362327202
980511381762
1028115054210
1110a182403a1
125547812002
132860a02769
141509d7d01c
15ae83e1675
hex68bc9ae82

28115054210 has 32 divisors (see below), whose sum is σ = 53183604672. Its totient is φ = 10687602240.

The previous prime is 28115054207. The next prime is 28115054239. The reversal of 28115054210 is 1245051182.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 867656 + ... + 899475.

It is an arithmetic number, because the mean of its divisors is an integer number (1661987646).

Almost surely, 228115054210 is an apocalyptic number.

28115054210 is a deficient number, since it is larger than the sum of its proper divisors (25068550462).

28115054210 is a wasteful number, since it uses less digits than its factorization.

28115054210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1767218.

The product of its (nonzero) digits is 3200, while the sum is 29.

The spelling of 28115054210 in words is "twenty-eight billion, one hundred fifteen million, fifty-four thousand, two hundred ten".

Divisors: 1 2 5 10 37 43 74 86 185 215 370 430 1591 3182 7955 15910 1767131 3534262 8835655 17671310 65383847 75986633 130767694 151973266 326919235 379933165 653838470 759866330 2811505421 5623010842 14057527105 28115054210