Search a number
-
+
10121472047 = 53171190357
BaseRepresentation
bin10010110110100100…
…10110100000101111
3222010101100001110002
421123102112200233
5131212044101142
64352202134515
7505551043601
oct113322264057
928111301402
1010121472047
114324341835
121b657b143b
13c53c0b41b
146c0343171
153e38a4a32
hex25b49682f

10121472047 has 4 divisors (see below), whose sum is σ = 10121715576. Its totient is φ = 10121228520.

The previous prime is 10121472017. The next prime is 10121472061. The reversal of 10121472047 is 74027412101.

10121472047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10121472047 - 216 = 10121406511 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 (10121472017) 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, 42008 + ... + 148349.

It is an arithmetic number, because the mean of its divisors is an integer number (2530428894).

Almost surely, 210121472047 is an apocalyptic number.

10121472047 is a deficient number, since it is larger than the sum of its proper divisors (243529).

10121472047 is an equidigital number, since it uses as much as digits as its factorization.

10121472047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243528.

The product of its (nonzero) digits is 3136, while the sum is 29.

Adding to 10121472047 its reverse (74027412101), we get a palindrome (84148884148).

The spelling of 10121472047 in words is "ten billion, one hundred twenty-one million, four hundred seventy-two thousand, forty-seven".

Divisors: 1 53171 190357 10121472047