Base | Representation |
---|---|
bin | 11101110010010100011111… |
… | …110011010100011110100010 |
3 | 122011211121100000000122220111 |
4 | 131302110133303110132202 |
5 | 114132311211221322320 |
6 | 1142341103005201534 |
7 | 36410351051140156 |
oct | 3562243763243642 |
9 | 564747300018814 |
10 | 131001331042210 |
11 | 388173971a2902 |
12 | 12838b288602aa |
13 | 58134ac537165 |
14 | 244c6d92c7066 |
15 | 10229a2ad2a5a |
hex | 77251fcd47a2 |
131001331042210 has 16 divisors (see below), whose sum is σ = 238451860999800. Its totient is φ = 51811762389376.
The previous prime is 131001331042189. The next prime is 131001331042213. The reversal of 131001331042210 is 12240133100131.
It can be written as a sum of positive squares in 4 ways, for example, as 109409110534161 + 21592220508049 = 10459881^2 + 4646743^2 .
It is a super-2 number, since 2×1310013310422102 (a number of 29 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (131001331042213) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73596252505 + ... + 73596254284.
Almost surely, 2131001331042210 is an apocalyptic number.
131001331042210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
131001331042210 is a deficient number, since it is larger than the sum of its proper divisors (107450529957590).
131001331042210 is a wasteful number, since it uses less digits than its factorization.
131001331042210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 147192506885.
The product of its (nonzero) digits is 432, while the sum is 22.
Adding to 131001331042210 its reverse (12240133100131), we get a palindrome (143241464142341).
The spelling of 131001331042210 in words is "one hundred thirty-one trillion, one billion, three hundred thirty-one million, forty-two thousand, two hundred ten".
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