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1280485120001 = 23451312336199
BaseRepresentation
bin10010101000100010110…
…111000101100000000001
311112102011012122211111212
4102220202313011200001
5131434413142320001
62420125144015505
7161340420635453
oct22504267054001
94472135584455
101280485120001
11454061516a9a
121881bba61595
1393998094a79
1445d938a42d3
1523495a837bb
hex12a22dc5801

1280485120001 has 8 divisors (see below), whose sum is σ = 1336454563200. Its totient is φ = 1224540358272.

The previous prime is 1280485119997. The next prime is 1280485120043. The reversal of 1280485120001 is 1000215840821.

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 1280485120001 - 22 = 1280485119997 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1280485120001.

It is not an unprimeable number, because it can be changed into a prime (1280485120301) 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, 6064301 + ... + 6271898.

It is an arithmetic number, because the mean of its divisors is an integer number (167056820400).

Almost surely, 21280485120001 is an apocalyptic number.

It is an amenable number.

1280485120001 is a deficient number, since it is larger than the sum of its proper divisors (55969443199).

1280485120001 is a wasteful number, since it uses less digits than its factorization.

1280485120001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12340735.

The product of its (nonzero) digits is 5120, while the sum is 32.

The spelling of 1280485120001 in words is "one trillion, two hundred eighty billion, four hundred eighty-five million, one hundred twenty thousand, one".

Divisors: 1 23 4513 103799 12336199 283732577 55673266087 1280485120001