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10512412423021 = 103910117817539
BaseRepresentation
bin1001100011111001110010…
…0110111011001101101101
31101012222101002121101110001
42120332130212323031231
52334213410040014041
634205200253344301
72133332244153115
oct230763446731555
941188332541401
1010512412423021
11339331a833663
121219461798091
135b3415a0bab2
14284b36a4a045
151336ba611131
hex98f9c9bb36d

10512412423021 has 4 divisors (see below), whose sum is σ = 10522530241600. Its totient is φ = 10502294604444.

The previous prime is 10512412422983. The next prime is 10512412423081. The reversal of 10512412423021 is 12032421421501.

It is a happy number.

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 not a de Polignac number, because 10512412423021 - 29 = 10512412422509 is a prime.

It is a super-2 number, since 2×105124124230212 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10512412423081) 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, 5058907731 + ... + 5058909808.

It is an arithmetic number, because the mean of its divisors is an integer number (2630632560400).

Almost surely, 210512412423021 is an apocalyptic number.

It is an amenable number.

10512412423021 is a deficient number, since it is larger than the sum of its proper divisors (10117818579).

10512412423021 is a wasteful number, since it uses less digits than its factorization.

10512412423021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10117818578.

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 10512412423021 its reverse (12032421421501), we get a palindrome (22544833844522).

The spelling of 10512412423021 in words is "ten trillion, five hundred twelve billion, four hundred twelve million, four hundred twenty-three thousand, twenty-one".

Divisors: 1 1039 10117817539 10512412423021