Base | Representation |
---|---|
bin | 111101000000101101… |
… | …0000110110010101110 |
3 | 110112012000110212201122 |
4 | 1322001122012302232 |
5 | 4121312122421220 |
6 | 140104555540542 |
7 | 12315541446536 |
oct | 1720132066256 |
9 | 415160425648 |
10 | 131020123310 |
11 | 5062449794a |
12 | 2148645a752 |
13 | c4803392ab |
14 | 64acb744c6 |
15 | 361c6bc425 |
hex | 1e81686cae |
131020123310 has 8 divisors (see below), whose sum is σ = 235836221976. Its totient is φ = 52408049320.
The previous prime is 131020123189. The next prime is 131020123361. The reversal of 131020123310 is 13321020131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×1310201233102 (a number of 23 digits) contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6551006156 + ... + 6551006175.
It is an arithmetic number, because the mean of its divisors is an integer number (29479527747).
Almost surely, 2131020123310 is an apocalyptic number.
131020123310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
131020123310 is a deficient number, since it is larger than the sum of its proper divisors (104816098666).
131020123310 is a wasteful number, since it uses less digits than its factorization.
131020123310 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13102012338.
The product of its (nonzero) digits is 108, while the sum is 17.
Adding to 131020123310 its reverse (13321020131), we get a palindrome (144341143441).
The spelling of 131020123310 in words is "one hundred thirty-one billion, twenty million, one hundred twenty-three thousand, three hundred ten".
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