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10230131131209 = 32113131110718251
BaseRepresentation
bin1001010011011110001101…
…0101010000001101001001
31100012222202102112222220100
42110313203111100031021
52320102302032144314
633431353553520013
72104050120602013
oct224674325201511
940188672488810
1010230131131209
113294635363050
121192802273009
1359290aa63102
142751d8c311b3
1512b198794c09
hex94de3550349

10230131131209 has 48 divisors (see below), whose sum is σ = 16693720363008. Its totient is φ = 5980783500000.

The previous prime is 10230131131159. The next prime is 10230131131223. The reversal of 10230131131209 is 90213113103201.

10230131131209 is a `hidden beast` number, since 1 + 0 + 2 + 30 + 1 + 311 + 312 + 0 + 9 = 666.

It is not a de Polignac number, because 10230131131209 - 219 = 10230130606921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10230131131289) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4404667 + ... + 6313584.

It is an arithmetic number, because the mean of its divisors is an integer number (347785840896).

Almost surely, 210230131131209 is an apocalyptic number.

It is an amenable number.

10230131131209 is a deficient number, since it is larger than the sum of its proper divisors (6463589231799).

10230131131209 is a wasteful number, since it uses less digits than its factorization.

10230131131209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10718610 (or 10718607 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The spelling of 10230131131209 in words is "ten trillion, two hundred thirty billion, one hundred thirty-one million, one hundred thirty-one thousand, two hundred nine".

Divisors: 1 3 9 11 31 33 93 99 279 311 341 933 1023 2799 3069 3421 9641 10263 28923 30789 86769 106051 318153 954459 10718251 32154753 96464259 117900761 332265781 353702283 996797343 1061106849 2990392029 3333376061 3654923591 10000128183 10964770773 30000384549 32894312319 36667136671 103334657891 110001410013 310003973673 330004230039 930011921019 1136681236801 3410043710403 10230131131209