Base | Representation |
---|---|
bin | 11101110010011110101000… |
… | …010011001001110010110110 |
3 | 122011212122102020121221210002 |
4 | 131302132220103021302312 |
5 | 114133001002010214110 |
6 | 1142350102345031302 |
7 | 36411214502351651 |
oct | 3562365023116266 |
9 | 564778366557702 |
10 | 131012211023030 |
11 | 38820a6a706497 |
12 | 1283b064485532 |
13 | 581452462bc2c |
14 | 244d04c274898 |
15 | 1022ddcd65aa5 |
hex | 7727a84c9cb6 |
131012211023030 has 64 divisors (see below), whose sum is σ = 250775532973440. Its totient is φ = 49185429156864.
The previous prime is 131012211022999. The next prime is 131012211023039. The reversal of 131012211023030 is 30320112210131.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 131012211022993 and 131012211023011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131012211023039) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6205679 + ... + 17335941.
It is an arithmetic number, because the mean of its divisors is an integer number (3918367702710).
Almost surely, 2131012211023030 is an apocalyptic number.
131012211023030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
131012211023030 is a deficient number, since it is larger than the sum of its proper divisors (119763321950410).
131012211023030 is a wasteful number, since it uses less digits than its factorization.
131012211023030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11131433.
The product of its (nonzero) digits is 216, while the sum is 20.
Adding to 131012211023030 its reverse (30320112210131), we get a palindrome (161332323233161).
The spelling of 131012211023030 in words is "one hundred thirty-one trillion, twelve billion, two hundred eleven million, twenty-three thousand, thirty".
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