Base | Representation |
---|---|
bin | 111101000110011001… |
… | …0101111010101100010 |
3 | 110112200022220000221021 |
4 | 1322030302233111202 |
5 | 4122210022131320 |
6 | 140135541520054 |
7 | 12323351130136 |
oct | 1721462572542 |
9 | 415608800837 |
10 | 131211130210 |
11 | 50712298196 |
12 | 2151a41302a |
13 | c4b0a95124 |
14 | 64ca2953c6 |
15 | 362e34bdaa |
hex | 1e8ccaf562 |
131211130210 has 16 divisors (see below), whose sum is σ = 236184330816. Its totient is φ = 52483497328.
The previous prime is 131211130207. The next prime is 131211130249. The reversal of 131211130210 is 12031112131.
It is a happy number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 782049 + ... + 934891.
It is an arithmetic number, because the mean of its divisors is an integer number (14761520676).
Almost surely, 2131211130210 is an apocalyptic number.
131211130210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
131211130210 is a deficient number, since it is larger than the sum of its proper divisors (104973200606).
131211130210 is a wasteful number, since it uses less digits than its factorization.
131211130210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 238697.
The product of its (nonzero) digits is 36, while the sum is 16.
Adding to 131211130210 its reverse (12031112131), we get a palindrome (143242242341).
The spelling of 131211130210 in words is "one hundred thirty-one billion, two hundred eleven million, one hundred thirty thousand, two hundred ten".
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