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1013023332221 = 4271237186451
BaseRepresentation
bin11101011110111001110…
…01010101011101111101
310120211210100010020201212
432233130321111131331
5113044132433112341
62053213153414205
7133121443151435
oct16573471253575
93524710106655
101013023332221
1136069129717a
121443b756a365
13746b2449594
143705dd272c5
151b53ec765eb
hexebdce5577d

1013023332221 has 4 divisors (see below), whose sum is σ = 1013260522944. Its totient is φ = 1012786141500.

The previous prime is 1013023332203. The next prime is 1013023332229. The reversal of 1013023332221 is 1222333203101.

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 a de Polignac number, because none of the positive numbers 2k-1013023332221 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013023332229) 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, 118588955 + ... + 118597496.

It is an arithmetic number, because the mean of its divisors is an integer number (253315130736).

Almost surely, 21013023332221 is an apocalyptic number.

It is an amenable number.

1013023332221 is a deficient number, since it is larger than the sum of its proper divisors (237190723).

1013023332221 is an equidigital number, since it uses as much as digits as its factorization.

1013023332221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237190722.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1013023332221 its reverse (1222333203101), we get a palindrome (2235356535322).

The spelling of 1013023332221 in words is "one trillion, thirteen billion, twenty-three million, three hundred thirty-two thousand, two hundred twenty-one".

Divisors: 1 4271 237186451 1013023332221