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20123132330233 = 193217329223571
BaseRepresentation
bin1001001001101010010000…
…01001111000000011111001
32122020202022200122222110001
410210311020021320003321
510114144133334031413
6110444234523153001
74144563656404252
oct444651011700371
978222280588401
1020123132330233
116459199656229
12230bbb8375761
13b2c7ac40593a
144d7d715b5b29
1524d6aed1e4dd
hex124d482780f9

20123132330233 has 8 divisors (see below), whose sum is σ = 21188829093920. Its totient is φ = 19058094020160.

The previous prime is 20123132330221. The next prime is 20123132330239. The reversal of 20123132330233 is 33203323132102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20123132330233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20123132330239) by changing a digit.

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, 164550663 + ... + 164672908.

It is an arithmetic number, because the mean of its divisors is an integer number (2648603636740).

Almost surely, 220123132330233 is an apocalyptic number.

It is an amenable number.

20123132330233 is a deficient number, since it is larger than the sum of its proper divisors (1065696763687).

20123132330233 is a wasteful number, since it uses less digits than its factorization.

20123132330233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329226807.

The product of its (nonzero) digits is 11664, while the sum is 28.

Adding to 20123132330233 its reverse (33203323132102), we get a palindrome (53326455462335).

The spelling of 20123132330233 in words is "twenty trillion, one hundred twenty-three billion, one hundred thirty-two million, three hundred thirty thousand, two hundred thirty-three".

Divisors: 1 19 3217 61123 329223571 6255247849 1059112227907 20123132330233