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30202311020223 = 323686363778909
BaseRepresentation
bin1101101111000000001100…
…00001010000111010111111
310221221022102222120102202010
412313200012001100322333
512424313313110121343
6144122430010302303
76235021264603416
oct667400601207277
9127838388512663
1030202311020223
11969480121aa21
1234794b0a27993
1313b10b14915c4
14765b2a36847d
15375971099d33
hex1b7806050ebf

30202311020223 has 16 divisors (see below), whose sum is σ = 42026730071040. Its totient is φ = 19256638134624.

The previous prime is 30202311020117. The next prime is 30202311020227. The reversal of 30202311020223 is 32202011320203.

It is a happy number.

It is not a de Polignac number, because 30202311020223 - 28 = 30202311019967 is a prime.

It is a super-2 number, since 2×302023110202232 (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30202311020223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30202311020227) 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, 31415908 + ... + 32363001.

It is an arithmetic number, because the mean of its divisors is an integer number (2626670629440).

Almost surely, 230202311020223 is an apocalyptic number.

30202311020223 is a deficient number, since it is larger than the sum of its proper divisors (11824419050817).

30202311020223 is a wasteful number, since it uses less digits than its factorization.

30202311020223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63785798.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 30202311020223 its reverse (32202011320203), we get a palindrome (62404322340426).

The spelling of 30202311020223 in words is "thirty trillion, two hundred two billion, three hundred eleven million, twenty thousand, two hundred twenty-three".

Divisors: 1 3 23 69 6863 20589 157849 473547 63778909 191336727 1466914907 4400744721 437714652467 1313143957401 10067437006741 30202311020223