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1021223222033 = 7557661396247
BaseRepresentation
bin11101101110001011010…
…01011011101100010001
310121121221210122210220112
432313011221123230101
5113212431121101113
62101050553451105
7133531602106640
oct16670551335421
93547853583815
101021223222033
11364109981813
12145b05710a95
13753bb2087a1
14375dad85357
151b86eaa85a8
hexedc5a5bb11

1021223222033 has 16 divisors (see below), whose sum is σ = 1170979409664. Its totient is φ = 872438592960.

The previous prime is 1021223222021. The next prime is 1021223222057. The reversal of 1021223222033 is 3302223221201.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1021223222033 is a prime.

It is a super-4 number, since 4×10212232220334 (a number of 49 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1021223222633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2379116 + ... + 2775362.

It is an arithmetic number, because the mean of its divisors is an integer number (73186213104).

Almost surely, 21021223222033 is an apocalyptic number.

It is an amenable number.

1021223222033 is a deficient number, since it is larger than the sum of its proper divisors (149756187631).

1021223222033 is an equidigital number, since it uses as much as digits as its factorization.

1021223222033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397472.

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

Adding to 1021223222033 its reverse (3302223221201), we get a palindrome (4323446443234).

The spelling of 1021223222033 in words is "one trillion, twenty-one billion, two hundred twenty-three million, two hundred twenty-two thousand, thirty-three".

Divisors: 1 7 557 661 3899 4627 368177 396247 2577239 2773729 220709579 261919267 1544967053 1833434869 145889031719 1021223222033