Search a number
-
+
2093287551 = 31947781369
BaseRepresentation
bin111110011000101…
…0000100001111111
312101212220000200120
41330301100201333
513241340200201
6543414230023
7102605436105
oct17461204177
95355800616
102093287551
11984673a13
124a5055313
132748aa7b4
1415c01dc75
15c3b8d536
hex7cc5087f

2093287551 has 16 divisors (see below), whose sum is σ = 3000460800. Its totient is φ = 1293945408.

The previous prime is 2093287549. The next prime is 2093287561. The reversal of 2093287551 is 1557823902.

It is a happy number.

It is not a de Polignac number, because 2093287551 - 21 = 2093287549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2093287501) by changing a digit.

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, 388006 + ... + 393363.

It is an arithmetic number, because the mean of its divisors is an integer number (187528800).

Almost surely, 22093287551 is an apocalyptic number.

2093287551 is a deficient number, since it is larger than the sum of its proper divisors (907173249).

2093287551 is a wasteful number, since it uses less digits than its factorization.

2093287551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781438.

The product of its (nonzero) digits is 151200, while the sum is 42.

The square root of 2093287551 is about 45752.4595076593. The cubic root of 2093287551 is about 1279.2132924148.

The spelling of 2093287551 in words is "two billion, ninety-three million, two hundred eighty-seven thousand, five hundred fifty-one".

Divisors: 1 3 19 47 57 141 893 2679 781369 2344107 14846011 36724343 44538033 110173029 697762517 2093287551