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23213132144 = 241450820759
BaseRepresentation
bin10101100111100111…
…000100100101110000
32012220202121021220222
4111213213010211300
5340020030212034
614355225552212
71451146240046
oct254747044560
965822537828
1023213132144
119932231834
1245ba045668
13225c293867
1411a2d2c396
1590cdb012e
hex5679c4970

23213132144 has 10 divisors (see below), whose sum is σ = 44975443560. Its totient is φ = 11606566064.

The previous prime is 23213132123. The next prime is 23213132207. The reversal of 23213132144 is 44123131232.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 725410364 + ... + 725410395.

It is an arithmetic number, because the mean of its divisors is an integer number (4497544356).

Almost surely, 223213132144 is an apocalyptic number.

It is an amenable number.

23213132144 is a deficient number, since it is larger than the sum of its proper divisors (21762311416).

23213132144 is a wasteful number, since it uses less digits than its factorization.

23213132144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1450820767 (or 1450820761 counting only the distinct ones).

The product of its digits is 3456, while the sum is 26.

Adding to 23213132144 its reverse (44123131232), we get a palindrome (67336263376).

The spelling of 23213132144 in words is "twenty-three billion, two hundred thirteen million, one hundred thirty-two thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 1450820759 2901641518 5803283036 11606566072 23213132144