Base | Representation |
---|---|
bin | 10100111010111001… |
… | …11011101101110010 |
3 | 1001222202010110022212 |
4 | 22131130323231302 |
5 | 141000233322010 |
6 | 5054254532122 |
7 | 545220350534 |
oct | 123534735562 |
9 | 31882113285 |
10 | 11231542130 |
11 | 4843a04926 |
12 | 2215507042 |
13 | 109cba6823 |
14 | 787943854 |
15 | 45b079505 |
hex | 29d73bb72 |
11231542130 has 8 divisors (see below), whose sum is σ = 20216775852. Its totient is φ = 4492616848.
The previous prime is 11231542121. The next prime is 11231542159. The reversal of 11231542130 is 3124513211.
It can be written as a sum of positive squares in 2 ways, for example, as 10178993881 + 1052548249 = 100891^2 + 32443^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×112315421302 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 11231542096 and 11231542105.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 561577097 + ... + 561577116.
Almost surely, 211231542130 is an apocalyptic number.
11231542130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
11231542130 is a deficient number, since it is larger than the sum of its proper divisors (8985233722).
11231542130 is a wasteful number, since it uses less digits than its factorization.
11231542130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1123154220.
The product of its (nonzero) digits is 720, while the sum is 23.
The spelling of 11231542130 in words is "eleven billion, two hundred thirty-one million, five hundred forty-two thousand, one hundred thirty".
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