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12633481401 = 323131182057
BaseRepresentation
bin10111100010000001…
…11010000010111001
31012121110010100110120
423301000322002321
5201333132401101
65445335203453
7625032551202
oct136100720271
935543110416
1012633481401
1153a32a8622
122546b16589
131264483ba8
1487bbdc5a9
154de1a3b36
hex2f103a0b9

12633481401 has 8 divisors (see below), whose sum is σ = 16845462624. Its totient is φ = 8421910560.

The previous prime is 12633481379. The next prime is 12633481411. The reversal of 12633481401 is 10418433621.

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

It is a de Polignac number, because none of the positive numbers 2k-12633481401 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12633481411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21636 + ... + 160421.

It is an arithmetic number, because the mean of its divisors is an integer number (2105682828).

Almost surely, 212633481401 is an apocalyptic number.

It is an amenable number.

12633481401 is a deficient number, since it is larger than the sum of its proper divisors (4211981223).

12633481401 is a wasteful number, since it uses less digits than its factorization.

12633481401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205191.

The product of its (nonzero) digits is 13824, while the sum is 33.

The spelling of 12633481401 in words is "twelve billion, six hundred thirty-three million, four hundred eighty-one thousand, four hundred one".

Divisors: 1 3 23131 69393 182057 546171 4211160467 12633481401