Base | Representation |
---|---|
bin | 111101000110100000… |
… | …1100000101010111100 |
3 | 110112200121011202110000 |
4 | 1322031001200222330 |
5 | 4122212020033200 |
6 | 140140200514300 |
7 | 12323426055054 |
oct | 1721501405274 |
9 | 415617152400 |
10 | 131215002300 |
11 | 507144a2368 |
12 | 2151b77b990 |
13 | c4b181c6c5 |
14 | 64ca9c2564 |
15 | 362e864300 |
hex | 1e8d060abc |
131215002300 has 180 divisors, whose sum is σ = 443841186096. Its totient is φ = 33469286400.
The previous prime is 131215002293. The next prime is 131215002311. The reversal of 131215002300 is 3200512131.
131215002300 is a `hidden beast` number, since 1 + 312 + 1 + 50 + 0 + 2 + 300 = 666.
It is a tau number, because it is divible by the number of its divisors (180).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
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 59 ways as a sum of consecutive naturals, for example, 165861 + ... + 538460.
Almost surely, 2131215002300 is an apocalyptic number.
131215002300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
131215002300 is an abundant number, since it is smaller than the sum of its proper divisors (312626183796).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131215002300 is a wasteful number, since it uses less digits than its factorization.
131215002300 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 704370 (or 704354 counting only the distinct ones).
The product of its (nonzero) digits is 180, while the sum is 18.
Adding to 131215002300 its reverse (3200512131), we get a palindrome (134415514431).
The spelling of 131215002300 in words is "one hundred thirty-one billion, two hundred fifteen million, two thousand, three hundred".
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