Base | Representation |
---|---|
bin | 11111000110111010011110… |
… | …01100101101000100100111 |
3 | 22222012200010110111112122212 |
4 | 33203131033030231010213 |
5 | 32431241043322310144 |
6 | 401253511201114035 |
7 | 20260155664203245 |
oct | 1743351714550447 |
9 | 288180113445585 |
10 | 68407272853799 |
11 | 1a8843a8174410 |
12 | 780995532891b |
13 | 2c22a1679b669 |
14 | 12c6d0303d795 |
15 | 7d966bb7649e |
hex | 3e374f32d127 |
68407272853799 has 16 divisors (see below), whose sum is σ = 78266012520960. Its totient is φ = 59182632838560.
The previous prime is 68407272853771. The next prime is 68407272853807. The reversal of 68407272853799 is 99735827270486.
It is a de Polignac number, because none of the positive numbers 2k-68407272853799 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68407272853709) 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, 686205179 + ... + 686304860.
It is an arithmetic number, because the mean of its divisors is an integer number (4891625782560).
Almost surely, 268407272853799 is an apocalyptic number.
68407272853799 is a deficient number, since it is larger than the sum of its proper divisors (9858739667161).
68407272853799 is a wasteful number, since it uses less digits than its factorization.
68407272853799 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1372510270.
The product of its (nonzero) digits is 2560481280, while the sum is 77.
The spelling of 68407272853799 in words is "sixty-eight trillion, four hundred seven billion, two hundred seventy-two million, eight hundred fifty-three thousand, seven hundred ninety-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.081 sec. • engine limits •