Search a number
-
+
2780500253 = 22397112841
BaseRepresentation
bin1010010110111011…
…0001000100011101
321011210000001021212
42211232301010131
521143302002003
61135523434205
7125621601506
oct24556610435
97153001255
102780500253
1111a7579aa3
12657225965
1335409072b
141c53c9bad
15114186dd8
hexa5bb111d

2780500253 has 8 divisors (see below), whose sum is σ = 2796062976. Its totient is φ = 2764965600.

The previous prime is 2780500211. The next prime is 2780500273. The reversal of 2780500253 is 3520050872.

2780500253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2780500253 - 224 = 2763723037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2780500273) 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, 210113 + ... + 222953.

It is an arithmetic number, because the mean of its divisors is an integer number (349507872).

Almost surely, 22780500253 is an apocalyptic number.

It is an amenable number.

2780500253 is a deficient number, since it is larger than the sum of its proper divisors (15562723).

2780500253 is a wasteful number, since it uses less digits than its factorization.

2780500253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14035.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 2780500253 is about 52730.4490119324. The cubic root of 2780500253 is about 1406.1802037905.

The spelling of 2780500253 in words is "two billion, seven hundred eighty million, five hundred thousand, two hundred fifty-three".

Divisors: 1 223 971 12841 216533 2863543 12468611 2780500253