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10121132143 = 56691785347
BaseRepresentation
bin10010110110100010…
…00011100001101111
3222010100200210012001
421123101003201233
5131212002212033
64352150553131
7505545126613
oct113321034157
928110623161
1010121132143
11432412a421
121b656687a7
13c53b1c7b5
146c0295343
153e3838e7d
hex25b44386f

10121132143 has 4 divisors (see below), whose sum is σ = 10122923160. Its totient is φ = 10119341128.

The previous prime is 10121132137. The next prime is 10121132191. The reversal of 10121132143 is 34123112101.

10121132143 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 10121132143 - 25 = 10121132111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10121132143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10121138143) 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, 887005 + ... + 898342.

It is an arithmetic number, because the mean of its divisors is an integer number (2530730790).

Almost surely, 210121132143 is an apocalyptic number.

10121132143 is a deficient number, since it is larger than the sum of its proper divisors (1791017).

10121132143 is an equidigital number, since it uses as much as digits as its factorization.

10121132143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1791016.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 10121132143 its reverse (34123112101), we get a palindrome (44244244244).

The spelling of 10121132143 in words is "ten billion, one hundred twenty-one million, one hundred thirty-two thousand, one hundred forty-three".

Divisors: 1 5669 1785347 10121132143