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2689289299865 = 57139552783001
BaseRepresentation
bin100111001000100110001…
…000100010011110011001
3100112002112012021022021102
4213020212020202132121
5323030131030043430
65415235322521145
7365203044611420
oct47104610423631
910462465238242
102689289299865
11947580777993
123752516661b5
131667a29c930c
149423b4b02b7
1549e4bade345
hex27226222799

2689289299865 has 16 divisors (see below), whose sum is σ = 3714701773440. Its totient is φ = 1830817296000.

The previous prime is 2689289299819. The next prime is 2689289299877. The reversal of 2689289299865 is 5689929829862.

2689289299865 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2689289299865 - 210 = 2689289298841 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 276386636 + ... + 276396365.

It is an arithmetic number, because the mean of its divisors is an integer number (232168860840).

Almost surely, 22689289299865 is an apocalyptic number.

It is an amenable number.

2689289299865 is a deficient number, since it is larger than the sum of its proper divisors (1025412473575).

2689289299865 is a wasteful number, since it uses less digits than its factorization.

2689289299865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552783152.

The product of its digits is 4837294080, while the sum is 83.

The spelling of 2689289299865 in words is "two trillion, six hundred eighty-nine billion, two hundred eighty-nine million, two hundred ninety-nine thousand, eight hundred sixty-five".

Divisors: 1 5 7 35 139 695 973 4865 552783001 2763915005 3869481007 19347405035 76836837139 384184185695 537857859973 2689289299865