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10021417001 = 45989217909
BaseRepresentation
bin10010101010101001…
…01011000000101001
3221212102001201201122
421111110223000221
5131010440321001
64334225425025
7503224432121
oct112524530051
927772051648
1010021417001
114282912a12
121b3819b175
13c3927885b
146b0d39c81
153d9bddb1b
hex25552b029

10021417001 has 4 divisors (see below), whose sum is σ = 10021680900. Its totient is φ = 10021153104.

The previous prime is 10021416991. The next prime is 10021417013. The reversal of 10021417001 is 10071412001.

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

It can be written as a sum of positive squares in 2 ways, for example, as 358723600 + 9662693401 = 18940^2 + 98299^2 .

It is a cyclic number.

It is not a de Polignac number, because 10021417001 - 226 = 9954308137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10021417031) 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, 62966 + ... + 154943.

It is an arithmetic number, because the mean of its divisors is an integer number (2505420225).

Almost surely, 210021417001 is an apocalyptic number.

It is an amenable number.

10021417001 is a deficient number, since it is larger than the sum of its proper divisors (263899).

10021417001 is an equidigital number, since it uses as much as digits as its factorization.

10021417001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263898.

The product of its (nonzero) digits is 56, while the sum is 17.

Adding to 10021417001 its reverse (10071412001), we get a palindrome (20092829002).

Subtracting 10021417001 from its reverse (10071412001), we obtain a triangular number (49995000 = T9999).

The spelling of 10021417001 in words is "ten billion, twenty-one million, four hundred seventeen thousand, one".

Divisors: 1 45989 217909 10021417001