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1288242954201 = 37398771538353
BaseRepresentation
bin10010101111110001010…
…000110111111111011001
311120011011212101122101110
4102233301100313333121
5132101310144013301
62423451033210533
7162033601303050
oct22576120677731
94504155348343
101288242954201
11457382621715
12189805b60a49
13946333a92c8
14464cbd31397
152379bb960d6
hex12bf1437fd9

1288242954201 has 16 divisors (see below), whose sum is σ = 1963087385984. Its totient is φ = 736119892224.

The previous prime is 1288242954169. The next prime is 1288242954203. The reversal of 1288242954201 is 1024592428821.

It is not a de Polignac number, because 1288242954201 - 25 = 1288242954169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1288242954203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68241 + ... + 1606593.

It is an arithmetic number, because the mean of its divisors is an integer number (122692961624).

Almost surely, 21288242954201 is an apocalyptic number.

It is an amenable number.

1288242954201 is a deficient number, since it is larger than the sum of its proper divisors (674844431783).

1288242954201 is a wasteful number, since it uses less digits than its factorization.

1288242954201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1578240.

The product of its (nonzero) digits is 737280, while the sum is 48.

The spelling of 1288242954201 in words is "one trillion, two hundred eighty-eight billion, two hundred forty-two million, nine hundred fifty-four thousand, two hundred one".

Divisors: 1 3 7 21 39877 119631 279139 837417 1538353 4615059 10768471 32305413 61344902581 184034707743 429414318067 1288242954201