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130123110213 = 32231274949717
BaseRepresentation
bin111100100101111110…
…0010001011101000101
3110102212111120220002100
41321023330101131011
54112443004011323
6135435553502313
712254400121155
oct1711374213505
9412774526070
10130123110213
1150204115708
1221275b71999
13c36954a305
146425994765
1535b8a80943
hex1e4bf11745

130123110213 has 24 divisors (see below), whose sum is σ = 197671938048. Its totient is φ = 82323676512.

The previous prime is 130123110209. The next prime is 130123110239. The reversal of 130123110213 is 312011321031.

130123110213 is a `hidden beast` number, since 130 + 12 + 311 + 0 + 213 = 666.

It is not a de Polignac number, because 130123110213 - 22 = 130123110209 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130123110913) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2448570 + ... + 2501147.

It is an arithmetic number, because the mean of its divisors is an integer number (8236330752).

Almost surely, 2130123110213 is an apocalyptic number.

It is an amenable number.

130123110213 is a deficient number, since it is larger than the sum of its proper divisors (67548827835).

130123110213 is a wasteful number, since it uses less digits than its factorization.

130123110213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4949873 (or 4949870 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 130123110213 its reverse (312011321031), we get a palindrome (442134431244).

The spelling of 130123110213 in words is "one hundred thirty billion, one hundred twenty-three million, one hundred ten thousand, two hundred thirteen".

Divisors: 1 3 9 23 69 127 207 381 1143 2921 8763 26289 4949717 14849151 44547453 113843491 341530473 628614059 1024591419 1885842177 5657526531 14458123357 43374370071 130123110213