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22320013033 = 61365901853
BaseRepresentation
bin10100110010011000…
…000101111011101001
32010121112001010211101
4110302120011323221
5331202410404113
614130443201401
71420052660203
oct246230057351
963545033741
1022320013033
11951407a16a
1243aab16261
132149239106
14111a483773
158a97922dd
hex532605ee9

22320013033 has 4 divisors (see below), whose sum is σ = 22685914948. Its totient is φ = 21954111120.

The previous prime is 22320012973. The next prime is 22320013081. The reversal of 22320013033 is 33031002322.

It is a happy number.

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 5666626729 + 16653386304 = 75277^2 + 129048^2 .

It is a cyclic number.

It is not a de Polignac number, because 22320013033 - 213 = 22320004841 is a prime.

It is a super-3 number, since 3×223200130333 (a number of 32 digits) contains 333 as substring.

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 22320013033.

It is not an unprimeable number, because it can be changed into a prime (22320013633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182950866 + ... + 182950987.

It is an arithmetic number, because the mean of its divisors is an integer number (5671478737).

Almost surely, 222320013033 is an apocalyptic number.

It is an amenable number.

22320013033 is a deficient number, since it is larger than the sum of its proper divisors (365901915).

22320013033 is an equidigital number, since it uses as much as digits as its factorization.

22320013033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365901914.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 22320013033 its reverse (33031002322), we get a palindrome (55351015355).

The spelling of 22320013033 in words is "twenty-two billion, three hundred twenty million, thirteen thousand, thirty-three".

Divisors: 1 61 365901853 22320013033