Base | Representation |
---|---|
bin | 11011111100001001… |
… | …01110011101110000 |
3 | 1102201101021111201011 |
4 | 31332010232131300 |
5 | 221210004220000 |
6 | 10520235320304 |
7 | 1040500330336 |
oct | 157604563560 |
9 | 42641244634 |
10 | 15000070000 |
11 | 63a816a673 |
12 | 2aa75b0094 |
13 | 1550871b86 |
14 | a24241b56 |
15 | 5cbd2a2ba |
hex | 37e12e770 |
15000070000 has 50 divisors (see below), whose sum is σ = 36316693688. Its totient is φ = 6000024000.
The previous prime is 15000069983. The next prime is 15000070013. The reversal of 15000070000 is 7000051.
It is a tau number, because it is divible by the number of its divisors (50).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 740004 + ... + 760003.
Almost surely, 215000070000 is an apocalyptic number.
15000070000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
15000070000 is an abundant number, since it is smaller than the sum of its proper divisors (21316623688).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15000070000 is an equidigital number, since it uses as much as digits as its factorization.
15000070000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1500035 (or 1500014 counting only the distinct ones).
The product of its (nonzero) digits is 35, while the sum is 13.
Adding to 15000070000 its reverse (7000051), we get a palindrome (15007070051).
The spelling of 15000070000 in words is "fifteen billion, seventy thousand".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •