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54130252201 = 64384183907
BaseRepresentation
bin110010011010011010…
…100001100110101001
312011201102121201111121
4302122122201212221
51341324321032301
640511143055241
73624253360234
oct623232414651
9164642551447
1054130252201
1120a58130723
12a5a8141521
13514866793c
1428970ac41b
15161c2983a1
hexc9a6a19a9

54130252201 has 4 divisors (see below), whose sum is σ = 54214436752. Its totient is φ = 54046067652.

The previous prime is 54130252147. The next prime is 54130252213. The reversal of 54130252201 is 10225203145.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-54130252201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54130252261) 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 3 ways as a sum of consecutive naturals, for example, 42091311 + ... + 42092596.

It is an arithmetic number, because the mean of its divisors is an integer number (13553609188).

Almost surely, 254130252201 is an apocalyptic number.

It is an amenable number.

54130252201 is a deficient number, since it is larger than the sum of its proper divisors (84184551).

54130252201 is an equidigital number, since it uses as much as digits as its factorization.

54130252201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84184550.

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 54130252201 its reverse (10225203145), we get a palindrome (64355455346).

The spelling of 54130252201 in words is "fifty-four billion, one hundred thirty million, two hundred fifty-two thousand, two hundred one".

Divisors: 1 643 84183907 54130252201