Base | Representation |
---|---|
bin | 1001001011110110101… |
… | …0011001010000110000 |
3 | 120002022102002201220012 |
4 | 2102331222121100300 |
5 | 10041134003030000 |
6 | 200254231234052 |
7 | 14254310631602 |
oct | 2227552312060 |
9 | 502272081805 |
10 | 157800830000 |
11 | 60a175001a0 |
12 | 266bb218928 |
13 | 11b5a768cb8 |
14 | 78cd811172 |
15 | 4188886735 |
hex | 24bda99430 |
157800830000 has 100 divisors (see below), whose sum is σ = 416783842728. Its totient is φ = 57382080000.
The previous prime is 157800829981. The next prime is 157800830051. The reversal of 157800830000 is 38008751.
It is a tau number, because it is divible by the number of its divisors (100).
It is a super-2 number, since 2×1578008300002 (a number of 23 digits) contains 22 as substring.
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 19 ways as a sum of consecutive naturals, for example, 607277 + ... + 827276.
Almost surely, 2157800830000 is an apocalyptic number.
157800830000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
157800830000 is an abundant number, since it is smaller than the sum of its proper divisors (258983012728).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
157800830000 is a wasteful number, since it uses less digits than its factorization.
157800830000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1434592 (or 1434571 counting only the distinct ones).
The product of its (nonzero) digits is 6720, while the sum is 32.
Adding to 157800830000 its reverse (38008751), we get a palindrome (157838838751).
The spelling of 157800830000 in words is "one hundred fifty-seven billion, eight hundred million, eight hundred thirty thousand".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •