Base | Representation |
---|---|
bin | 111000000000110100… |
… | …1000111001110011101 |
3 | 102111110222112101021220 |
4 | 1300001221013032131 |
5 | 3432321334422010 |
6 | 131131532043553 |
7 | 11455546363431 |
oct | 1600151071635 |
9 | 374428471256 |
10 | 120286639005 |
11 | 47016743265 |
12 | 1b38b9035b9 |
13 | b45c6b7850 |
14 | 5b7143c9c1 |
15 | 31e0225970 |
hex | 1c01a4739d |
120286639005 has 16 divisors (see below), whose sum is σ = 207263132160. Its totient is φ = 59218037568.
The previous prime is 120286639001. The next prime is 120286639007. The reversal of 120286639005 is 500936682021.
It is not a de Polignac number, because 120286639005 - 22 = 120286639001 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120286639001) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 308427085 + ... + 308427474.
It is an arithmetic number, because the mean of its divisors is an integer number (12953945760).
Almost surely, 2120286639005 is an apocalyptic number.
120286639005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
120286639005 is a deficient number, since it is larger than the sum of its proper divisors (86976493155).
120286639005 is a wasteful number, since it uses less digits than its factorization.
120286639005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 616854580.
The product of its (nonzero) digits is 155520, while the sum is 42.
The spelling of 120286639005 in words is "one hundred twenty billion, two hundred eighty-six million, six hundred thirty-nine thousand, five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •