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10517192421 = 33505730807
BaseRepresentation
bin10011100101101111…
…11001111011100101
31000010221221201202020
421302313321323211
5133014400124141
64455335533353
7521424442401
oct116267717345
930127851666
1010517192421
11450775436a
12205622a259
13cb7bb1aa8
1471ab12101
154184c0266
hex272df9ee5

10517192421 has 4 divisors (see below), whose sum is σ = 14022923232. Its totient is φ = 7011461612.

The previous prime is 10517192419. The next prime is 10517192479. The reversal of 10517192421 is 12429171501.

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 10517192421 - 21 = 10517192419 is a prime.

It is a super-2 number, since 2×105171924212 (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10517192821) 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, 1752865401 + ... + 1752865406.

It is an arithmetic number, because the mean of its divisors is an integer number (3505730808).

Almost surely, 210517192421 is an apocalyptic number.

It is an amenable number.

10517192421 is a deficient number, since it is larger than the sum of its proper divisors (3505730811).

10517192421 is an equidigital number, since it uses as much as digits as its factorization.

10517192421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3505730810.

The product of its (nonzero) digits is 5040, while the sum is 33.

The spelling of 10517192421 in words is "ten billion, five hundred seventeen million, one hundred ninety-two thousand, four hundred twenty-one".

Divisors: 1 3 3505730807 10517192421