Base | Representation |
---|---|
bin | 111100101101110111… |
… | …1011001001001001010 |
3 | 110110112222100021210012 |
4 | 1321123233121021022 |
5 | 4114013332404130 |
6 | 135522142551522 |
7 | 12264066103151 |
oct | 1713357311112 |
9 | 413488307705 |
10 | 130388169290 |
11 | 5032a7a44a5 |
12 | 2132a8985a2 |
13 | c3ac4331c2 |
14 | 644cc70598 |
15 | 35d1e8b995 |
hex | 1e5bbd924a |
130388169290 has 16 divisors (see below), whose sum is σ = 237335770440. Its totient is φ = 51569253120.
The previous prime is 130388169271. The next prime is 130388169377. The reversal of 130388169290 is 92961883031.
It can be written as a sum of positive squares in 4 ways, for example, as 103218910729 + 27169258561 = 321277^2 + 164831^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73250891 + ... + 73252670.
Almost surely, 2130388169290 is an apocalyptic number.
130388169290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
130388169290 is a deficient number, since it is larger than the sum of its proper divisors (106947601150).
130388169290 is a wasteful number, since it uses less digits than its factorization.
130388169290 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 146503657.
The product of its (nonzero) digits is 559872, while the sum is 50.
The spelling of 130388169290 in words is "one hundred thirty billion, three hundred eighty-eight million, one hundred sixty-nine thousand, two hundred ninety".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.086 sec. • engine limits •