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10302112201 = 28136662321
BaseRepresentation
bin10011001100000110…
…11100000111001001
3222120222020112011011
421212003130013021
5132044320042301
64422134003521
7513203336353
oct114603340711
928528215134
1010302112201
114407301417
121bb61a65a1
13c824777a4
146da3260d3
15404687a51
hex2660dc1c9

10302112201 has 4 divisors (see below), whose sum is σ = 10338774804. Its totient is φ = 10265449600.

The previous prime is 10302112181. The next prime is 10302112213. The reversal of 10302112201 is 10221120301.

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 7672884025 + 2629228176 = 87595^2 + 51276^2 .

It is a cyclic number.

It is not a de Polignac number, because 10302112201 - 229 = 9765241289 is a prime.

It is a super-2 number, since 2×103021122012 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10302112241) 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, 18330880 + ... + 18331441.

It is an arithmetic number, because the mean of its divisors is an integer number (2584693701).

Almost surely, 210302112201 is an apocalyptic number.

It is an amenable number.

10302112201 is a deficient number, since it is larger than the sum of its proper divisors (36662603).

10302112201 is an equidigital number, since it uses as much as digits as its factorization.

10302112201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36662602.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 10302112201 its reverse (10221120301), we get a palindrome (20523232502).

The spelling of 10302112201 in words is "ten billion, three hundred two million, one hundred twelve thousand, two hundred one".

Divisors: 1 281 36662321 10302112201