Base | Representation |
---|---|
bin | 11101110010011110100111… |
… | …101101101110000110000010 |
3 | 122011212122101120011102011111 |
4 | 131302132213231232012002 |
5 | 114133000442002211432 |
6 | 1142350101354433534 |
7 | 36411214323062152 |
oct | 3562364755560602 |
9 | 564778346142144 |
10 | 131012201210242 |
11 | 38820a65113a50 |
12 | 1283b0611328aa |
13 | 58145225a4651 |
14 | 244d04ac3c762 |
15 | 1022ddc078347 |
hex | 7727a7b6e182 |
131012201210242 has 32 divisors (see below), whose sum is σ = 221897264918400. Its totient is φ = 57466115011200.
The previous prime is 131012201210221. The next prime is 131012201210243. The reversal of 131012201210242 is 242012102210131.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is not an unprimeable number, because it can be changed into a prime (131012201210243) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54907267 + ... + 57243622.
It is an arithmetic number, because the mean of its divisors is an integer number (6934289528700).
Almost surely, 2131012201210242 is an apocalyptic number.
131012201210242 is a deficient number, since it is larger than the sum of its proper divisors (90885063708158).
131012201210242 is a wasteful number, since it uses less digits than its factorization.
131012201210242 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 112152762.
The product of its (nonzero) digits is 384, while the sum is 22.
Adding to 131012201210242 its reverse (242012102210131), we get a palindrome (373024303420373).
The spelling of 131012201210242 in words is "one hundred thirty-one trillion, twelve billion, two hundred one million, two hundred ten thousand, two hundred forty-two".
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