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10001302231 = 36791271841
BaseRepresentation
bin10010101000001111…
…11100001011010111
3221211000012210110011
421110013330023113
5130440313132411
64332230341051
7502561444354
oct112407741327
927730183404
1010001302231
114272524438
121b314ba787
13c3505511b
146ac3c162b
153d8068c21
hex2541fc2d7

10001302231 has 4 divisors (see below), whose sum is σ = 10001610864. Its totient is φ = 10000993600.

The previous prime is 10001302219. The next prime is 10001302271. The reversal of 10001302231 is 13220310001.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10001302231 is a prime.

It is a super-2 number, since 2×100013022312 (a number of 21 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 (10001302271) 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, 99130 + ... + 172711.

It is an arithmetic number, because the mean of its divisors is an integer number (2500402716).

Almost surely, 210001302231 is an apocalyptic number.

10001302231 is a deficient number, since it is larger than the sum of its proper divisors (308633).

10001302231 is an equidigital number, since it uses as much as digits as its factorization.

10001302231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308632.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 10001302231 its reverse (13220310001), we get a palindrome (23221612232).

The spelling of 10001302231 in words is "ten billion, one million, three hundred two thousand, two hundred thirty-one".

Divisors: 1 36791 271841 10001302231