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10330032221 = 63116370891
BaseRepresentation
bin10011001111011011…
…11100100001011101
3222122220210000012222
421213231330201131
5132123442012341
64425012235125
7513662553005
oct114755744135
928586700188
1010330032221
114421041113
12200360baa5
13c881a1b02
146ddd13005
15406d5044b
hex267b7c85d

10330032221 has 4 divisors (see below), whose sum is σ = 10346403744. Its totient is φ = 10313660700.

The previous prime is 10330032173. The next prime is 10330032239. The reversal of 10330032221 is 12223003301.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12223003301 = 30739814343.

It is a cyclic number.

It is not a de Polignac number, because 10330032221 - 222 = 10325837917 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10330032221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10330032241) 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, 8184815 + ... + 8186076.

It is an arithmetic number, because the mean of its divisors is an integer number (2586600936).

Almost surely, 210330032221 is an apocalyptic number.

It is an amenable number.

10330032221 is a deficient number, since it is larger than the sum of its proper divisors (16371523).

10330032221 is an equidigital number, since it uses as much as digits as its factorization.

10330032221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16371522.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 10330032221 its reverse (12223003301), we get a palindrome (22553035522).

The spelling of 10330032221 in words is "ten billion, three hundred thirty million, thirty-two thousand, two hundred twenty-one".

Divisors: 1 631 16370891 10330032221