Base | Representation |
---|---|
bin | 11101110101011001101110… |
… | …001110001011010110000000 |
3 | 122012120211221112212120202202 |
4 | 131311121232032023112000 |
5 | 114144243412111244130 |
6 | 1143022244355132332 |
7 | 36431555640353654 |
oct | 3565315616132600 |
9 | 565524845776682 |
10 | 131213100103040 |
11 | 3889918832065a |
12 | 12871b898a40a8 |
13 | 582a45abc0247 |
14 | 2458a6846ca64 |
15 | 10282493ab145 |
hex | 77566e38b580 |
131213100103040 has 128 divisors (see below), whose sum is σ = 336337379049600. Its totient is φ = 48772583129088.
The previous prime is 131213100103031. The next prime is 131213100103061. The reversal of 131213100103040 is 40301001312131.
It is a tau number, because it is divible by the number of its divisors (128).
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75469769 + ... + 77188808.
It is an arithmetic number, because the mean of its divisors is an integer number (2627635773825).
Almost surely, 2131213100103040 is an apocalyptic number.
131213100103040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
131213100103040 is an abundant number, since it is smaller than the sum of its proper divisors (205124278946560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131213100103040 is a wasteful number, since it uses less digits than its factorization.
131213100103040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 152658692 (or 152658680 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 20.
Adding to 131213100103040 its reverse (40301001312131), we get a palindrome (171514101415171).
The spelling of 131213100103040 in words is "one hundred thirty-one trillion, two hundred thirteen billion, one hundred million, one hundred three thousand, forty".
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