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20120230210023 = 323499011710873
BaseRepresentation
bin1001001001100100110110…
…01011001010100111100111
32122020110211102210222221100
410210302123023022213213
510114122212413210043
6110443034532451143
74144432026653346
oct444623313124747
978213742728840
1020120230210023
116457a3a469379
12230b528479ab3
13b2c4390a1b48
144d7b77dabb5d
1524d590161cd3
hex124c9b2ca9e7

20120230210023 has 24 divisors (see below), whose sum is σ = 29149104020400. Its totient is φ = 13373549631360.

The previous prime is 20120230210007. The next prime is 20120230210037. The reversal of 20120230210023 is 32001203202102.

20120230210023 is a `hidden beast` number, since 201 + 2 + 0 + 230 + 210 + 0 + 23 = 666.

It is not a de Polignac number, because 20120230210023 - 24 = 20120230210007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20120230209978 and 20120230210005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20120230210063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27948115 + ... + 28658987.

It is an arithmetic number, because the mean of its divisors is an integer number (1214546000850).

Almost surely, 220120230210023 is an apocalyptic number.

20120230210023 is a deficient number, since it is larger than the sum of its proper divisors (9028873810377).

20120230210023 is a wasteful number, since it uses less digits than its factorization.

20120230210023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720239 (or 720236 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20120230210023 its reverse (32001203202102), we get a palindrome (52121433412125).

The spelling of 20120230210023 in words is "twenty trillion, one hundred twenty billion, two hundred thirty million, two hundred ten thousand, twenty-three".

Divisors: 1 3 9 349 1047 3141 9011 27033 81099 710873 2132619 3144839 6397857 9434517 28303551 248094677 744284031 2232852093 6405676603 19217029809 57651089427 2235581134447 6706743403341 20120230210023