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12904420033 = 371265927551
BaseRepresentation
bin11000000010010100…
…11101001011000001
31020022022221110101201
430001022131023001
5202412012420113
65532254301201
7634532521561
oct140112351301
936268843351
1012904420033
11552223284a
1226017b7801
1312a8647ccb
148a5ba8da1
15507d71cdd
hex30129d2c1

12904420033 has 8 divisors (see below), whose sum is σ = 13254716160. Its totient is φ = 12554204400.

The previous prime is 12904419973. The next prime is 12904420097. The reversal of 12904420033 is 33002440921.

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

It is a cyclic number.

It is not a de Polignac number, because 12904420033 - 213 = 12904411841 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12904419983 and 12904420010.

It is not an unprimeable number, because it can be changed into a prime (12904429033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 454608 + ... + 482158.

It is an arithmetic number, because the mean of its divisors is an integer number (1656839520).

Almost surely, 212904420033 is an apocalyptic number.

It is an amenable number.

12904420033 is a deficient number, since it is larger than the sum of its proper divisors (350296127).

12904420033 is a wasteful number, since it uses less digits than its factorization.

12904420033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40247.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 12904420033 its reverse (33002440921), we get a palindrome (45906860954).

The spelling of 12904420033 in words is "twelve billion, nine hundred four million, four hundred twenty thousand, thirty-three".

Divisors: 1 37 12659 27551 468383 1019387 348768109 12904420033