Base | Representation |
---|---|
bin | 1101010001110110… |
… | …01000110000111110 |
3 | 200101211112212002221 |
4 | 12220323020300332 |
5 | 104100013320412 |
6 | 3135224035554 |
7 | 341443566646 |
oct | 65073106076 |
9 | 20354485087 |
10 | 7129041982 |
11 | 3029181837 |
12 | 146b602bba |
13 | 897c7764a |
14 | 4b8b4b526 |
15 | 2bad08b07 |
hex | 1a8ec8c3e |
7129041982 has 16 divisors (see below), whose sum is σ = 11096376192. Its totient is φ = 3432585240.
The previous prime is 7129041979. The next prime is 7129042009. The reversal of 7129041982 is 2891409217.
It is a happy number.
It is a super-3 number, since 3×71290419823 (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Harshad number since it is a multiple of its sum of digits (43).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 577668 + ... + 589879.
It is an arithmetic number, because the mean of its divisors is an integer number (693523512).
Almost surely, 27129041982 is an apocalyptic number.
7129041982 is a deficient number, since it is larger than the sum of its proper divisors (3967334210).
7129041982 is a wasteful number, since it uses less digits than its factorization.
7129041982 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1167663.
The product of its (nonzero) digits is 72576, while the sum is 43.
The square root of 7129041982 is about 84433.6543210111. The cubic root of 7129041982 is about 1924.6143698885.
The spelling of 7129041982 in words is "seven billion, one hundred twenty-nine million, forty-one thousand, nine hundred eighty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •