Search a number
-
+
2551026361 = 13631310987
BaseRepresentation
bin1001100000001101…
…1001001010111001
320120210012120021211
42120003121022321
520211030320421
61101045203121
7120134236432
oct23003311271
96523176254
102551026361
111099a95954
125b24004a1
13318686a70
141a2b34489
15ede599e1
hex980d92b9

2551026361 has 8 divisors (see below), whose sum is σ = 2751621824. Its totient is φ = 2351054160.

The previous prime is 2551026353. The next prime is 2551026397. The reversal of 2551026361 is 1636201552.

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

It is not a de Polignac number, because 2551026361 - 23 = 2551026353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2551020361) 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, 147291 + ... + 163696.

It is an arithmetic number, because the mean of its divisors is an integer number (343952728).

Almost surely, 22551026361 is an apocalyptic number.

It is an amenable number.

2551026361 is a deficient number, since it is larger than the sum of its proper divisors (200595463).

2551026361 is a wasteful number, since it uses less digits than its factorization.

2551026361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311631.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 2551026361 is about 50507.6861576533. The cubic root of 2551026361 is about 1366.3804790861.

The spelling of 2551026361 in words is "two billion, five hundred fifty-one million, twenty-six thousand, three hundred sixty-one".

Divisors: 1 13 631 8203 310987 4042831 196232797 2551026361