Search a number
-
+
53250342321 = 3111951827087
BaseRepresentation
bin110001100101111101…
…111011110110110001
312002110002220200001210
4301211331323312301
51333024041423241
640243551350333
73563410304301
oct614575736661
9162402820053
1053250342321
1120646480380
12a3a15223a9
1350382866c7
1428122a1601
1515b9dd9316
hexc65f7bdb1

53250342321 has 16 divisors (see below), whose sum is σ = 77494837248. Its totient is φ = 32256354000.

The previous prime is 53250342269. The next prime is 53250342323. The reversal of 53250342321 is 12324305235.

It is a de Polignac number, because none of the positive numbers 2k-53250342321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53250342323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 349161 + ... + 477926.

It is an arithmetic number, because the mean of its divisors is an integer number (4843427328).

Almost surely, 253250342321 is an apocalyptic number.

It is an amenable number.

53250342321 is a deficient number, since it is larger than the sum of its proper divisors (24244494927).

53250342321 is a wasteful number, since it uses less digits than its factorization.

53250342321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829052.

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 53250342321 its reverse (12324305235), we get a palindrome (65574647556).

The spelling of 53250342321 in words is "fifty-three billion, two hundred fifty million, three hundred forty-two thousand, three hundred twenty-one".

Divisors: 1 3 11 33 1951 5853 21461 64383 827087 2481261 9097957 27293871 1613646737 4840940211 17750114107 53250342321