Base | Representation |
---|---|
bin | 10010001110011110111001… |
… | …00011001000110111100000 |
3 | 12020220121120220101012221000 |
4 | 21013033130203020313200 |
5 | 20223132410222202411 |
6 | 221124303300032000 |
7 | 11304454520121540 |
oct | 1107173443106740 |
9 | 166817526335830 |
10 | 40080040037856 |
11 | 11852938798195 |
12 | 45b3944392600 |
13 | 19496baaaa400 |
14 | 9c7c546b7320 |
15 | 497891998956 |
hex | 2473dc8c8de0 |
40080040037856 has 288 divisors, whose sum is σ = 144667603825920. Its totient is φ = 10570559740416.
The previous prime is 40080040037831. The next prime is 40080040037909. The reversal of 40080040037856 is 65873004008004.
It is a tau number, because it is divible by the number of its divisors (288).
It is a super-2 number, since 2×400800400378562 (a number of 28 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18584370 + ... + 20628593.
It is an arithmetic number, because the mean of its divisors is an integer number (502318068840).
Almost surely, 240080040037856 is an apocalyptic number.
It is an amenable number.
40080040037856 is an abundant number, since it is smaller than the sum of its proper divisors (104587563788064).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40080040037856 is a wasteful number, since it uses less digits than its factorization.
40080040037856 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39213015 (or 39212988 counting only the distinct ones).
The product of its (nonzero) digits is 645120, while the sum is 45.
The spelling of 40080040037856 in words is "forty trillion, eighty billion, forty million, thirty-seven thousand, eight hundred fifty-six".
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