Base | Representation |
---|---|
bin | 10011000110011001000110… |
… | …110011111000011110110101 |
3 | 102000102112020211220211122110 |
4 | 103012121012303320132311 |
5 | 42002242410021142411 |
6 | 454354020412121233 |
7 | 23456645536062411 |
oct | 2306310663703665 |
9 | 360375224824573 |
10 | 84002158380981 |
11 | 2484712a524345 |
12 | 9508220a66219 |
13 | 37b44a5b79859 |
14 | 16a5a24819d41 |
15 | 9aa15013e2a6 |
hex | 4c6646cf87b5 |
84002158380981 has 8 divisors (see below), whose sum is σ = 112107651351520. Its totient is φ = 55949052165552.
The previous prime is 84002158380979. The next prime is 84002158381033. The reversal of 84002158380981 is 18908385120048.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 84002158380981 - 21 = 84002158380979 is a prime.
It is a super-2 number, since 2×840021583809812 (a number of 29 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (84002158300981) 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, 13096685035 + ... + 13096691448.
It is an arithmetic number, because the mean of its divisors is an integer number (14013456418940).
Almost surely, 284002158380981 is an apocalyptic number.
It is an amenable number.
84002158380981 is a deficient number, since it is larger than the sum of its proper divisors (28105492970539).
84002158380981 is a wasteful number, since it uses less digits than its factorization.
84002158380981 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26193377555.
The product of its (nonzero) digits is 4423680, while the sum is 57.
The spelling of 84002158380981 in words is "eighty-four trillion, two billion, one hundred fifty-eight million, three hundred eighty thousand, nine hundred eighty-one".
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