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23000331442 = 2112274605593
BaseRepresentation
bin10101011010111011…
…010011010010110010
32012100221011220020111
4111122323103102302
5334101041101232
614322144531534
71442653406614
oct253273232262
965327156214
1023000331442
1198330a6490
12455a920baa
132227176c9a
141182976db4
158e9378047
hex55aed34b2

23000331442 has 16 divisors (see below), whose sum is σ = 37802715552. Its totient is φ = 10408637920.

The previous prime is 23000331437. The next prime is 23000331457. The reversal of 23000331442 is 24413300032.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2297803 + ... + 2307790.

It is an arithmetic number, because the mean of its divisors is an integer number (2362669722).

Almost surely, 223000331442 is an apocalyptic number.

23000331442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

23000331442 is a deficient number, since it is larger than the sum of its proper divisors (14802384110).

23000331442 is a wasteful number, since it uses less digits than its factorization.

23000331442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4605833.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 23000331442 its reverse (24413300032), we get a palindrome (47413631474).

The spelling of 23000331442 in words is "twenty-three billion, three hundred thirty-one thousand, four hundred forty-two".

Divisors: 1 2 11 22 227 454 2497 4994 4605593 9211186 50661523 101323046 1045469611 2090939222 11500165721 23000331442