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10015142243 = 67331487471
BaseRepresentation
bin10010101001111001…
…01111000101100011
3221211222020221101012
421110330233011203
5131002334022433
64333443131135
7503120206301
oct112474570543
927758227335
1010015142243
11427a317667
121b36073aab
13c37b8c792
146b0185271
153d939e848
hex254f2f163

10015142243 has 4 divisors (see below), whose sum is σ = 10016636448. Its totient is φ = 10013648040.

The previous prime is 10015142239. The next prime is 10015142309. The reversal of 10015142243 is 34224151001.

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 10015142243 - 22 = 10015142239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10015148243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 737003 + ... + 750468.

It is an arithmetic number, because the mean of its divisors is an integer number (2504159112).

Almost surely, 210015142243 is an apocalyptic number.

10015142243 is a deficient number, since it is larger than the sum of its proper divisors (1494205).

10015142243 is an equidigital number, since it uses as much as digits as its factorization.

10015142243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1494204.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 10015142243 its reverse (34224151001), we get a palindrome (44239293244).

The spelling of 10015142243 in words is "ten billion, fifteen million, one hundred forty-two thousand, two hundred forty-three".

Divisors: 1 6733 1487471 10015142243