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130123012 = 22414671699
BaseRepresentation
bin1111100000110…
…00010100000100
3100001211221012211
413300120110010
5231302414022
620524553204
73140012245
oct760302404
9301757184
10130123012
11674a6388
12376b2804
1320c5c786
14133d2ccc
15b654e77
hex7c18504

130123012 has 24 divisors (see below), whose sum is σ = 233906400. Its totient is φ = 63301440.

The previous prime is 130123009. The next prime is 130123061. The reversal of 130123012 is 210321031.

It is a junction number, because it is equal to n+sod(n) for n = 130122983 and 130123001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75739 + ... + 77437.

It is an arithmetic number, because the mean of its divisors is an integer number (9746100).

Almost surely, 2130123012 is an apocalyptic number.

It is an amenable number.

130123012 is a deficient number, since it is larger than the sum of its proper divisors (103783388).

130123012 is a wasteful number, since it uses less digits than its factorization.

130123012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2211 (or 2209 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 130123012 is about 11407.1474085330. The cubic root of 130123012 is about 506.7394345701.

Adding to 130123012 its reverse (210321031), we get a palindrome (340444043).

The spelling of 130123012 in words is "one hundred thirty million, one hundred twenty-three thousand, twelve".

Divisors: 1 2 4 41 82 164 467 934 1699 1868 3398 6796 19147 38294 69659 76588 139318 278636 793433 1586866 3173732 32530753 65061506 130123012