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10302223032221 = 10879477666083
BaseRepresentation
bin1001010111101010110001…
…0110000001111110011101
31100110212211122012000111012
42111322230112001332131
52322242423044012341
633524435333305005
72112211455624311
oct225725426017635
940425748160435
1010302223032221
11331216a36132a
1211a4781795165
135996596c10c3
142788b75c5b41
1512ceb786d0eb
hex95eac581f9d

10302223032221 has 4 divisors (see below), whose sum is σ = 10311700699392. Its totient is φ = 10292745365052.

The previous prime is 10302223032151. The next prime is 10302223032287. The reversal of 10302223032221 is 12223032220301.

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 10302223032221 - 210 = 10302223031197 is a prime.

It is a super-2 number, since 2×103022230322212 (a number of 27 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 (10302223032721) 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, 4738831955 + ... + 4738834128.

It is an arithmetic number, because the mean of its divisors is an integer number (2577925174848).

Almost surely, 210302223032221 is an apocalyptic number.

It is an amenable number.

10302223032221 is a deficient number, since it is larger than the sum of its proper divisors (9477667171).

10302223032221 is an equidigital number, since it uses as much as digits as its factorization.

10302223032221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9477667170.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 10302223032221 its reverse (12223032220301), we get a palindrome (22525255252522).

The spelling of 10302223032221 in words is "ten trillion, three hundred two billion, two hundred twenty-three million, thirty-two thousand, two hundred twenty-one".

Divisors: 1 1087 9477666083 10302223032221