Search a number
-
+
2552105551 = 3337776463
BaseRepresentation
bin1001100000011110…
…0000101001001111
320120212020101122211
42120013200221033
520211314334201
61101124251251
7120146352652
oct23007405117
96525211584
102552105551
11109a662746
125b2840b27
13318974038
141a2d35899
15ee0be651
hex981e0a4f

2552105551 has 4 divisors (see below), whose sum is σ = 2552215392. Its totient is φ = 2551995712.

The previous prime is 2552105539. The next prime is 2552105573. The reversal of 2552105551 is 1555012552.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2552105551 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 (2552105351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4855 + ... + 71608.

It is an arithmetic number, because the mean of its divisors is an integer number (638053848).

Almost surely, 22552105551 is an apocalyptic number.

2552105551 is a deficient number, since it is larger than the sum of its proper divisors (109841).

2552105551 is an equidigital number, since it uses as much as digits as its factorization.

2552105551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109840.

The product of its (nonzero) digits is 12500, while the sum is 31.

The square root of 2552105551 is about 50518.3684514850. The cubic root of 2552105551 is about 1366.5731304680.

The spelling of 2552105551 in words is "two billion, five hundred fifty-two million, one hundred five thousand, five hundred fifty-one".

Divisors: 1 33377 76463 2552105551