Base | Representation |
---|---|
bin | 1011000101100101101… |
… | …1101110010010010000 |
3 | 200012122210211210211110 |
4 | 2301121123232102100 |
5 | 11110100111010340 |
6 | 223301014013320 |
7 | 16522150535421 |
oct | 2613133562220 |
9 | 605583753743 |
10 | 190479000720 |
11 | 73866480558 |
12 | 30abb047240 |
13 | 14c679438a8 |
14 | 930d809648 |
15 | 4e4c682680 |
hex | 2c596ee490 |
190479000720 has 160 divisors (see below), whose sum is σ = 599646941568. Its totient is φ = 50007158784.
The previous prime is 190479000713. The next prime is 190479000743. The reversal of 190479000720 is 27000974091.
It is a Cunningham number, because it is equal to 4364392-1.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52370742 + ... + 52374378.
Almost surely, 2190479000720 is an apocalyptic number.
190479000720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 190479000720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (299823470784).
190479000720 is an abundant number, since it is smaller than the sum of its proper divisors (409167940848).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
190479000720 is a wasteful number, since it uses less digits than its factorization.
190479000720 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6977 (or 6971 counting only the distinct ones).
The product of its (nonzero) digits is 31752, while the sum is 39.
The spelling of 190479000720 in words is "one hundred ninety billion, four hundred seventy-nine million, seven hundred twenty", and thus it is an aban number.
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •