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130112101 = 72171091433
BaseRepresentation
bin1111100000101…
…01101001100101
3100001211101020201
413300111221211
5231302041401
620524430501
73136635400
oct760255145
9301741221
10130112101
1167499169
12376a8431
1320c57812
14133ccd37
15b651b01
hex7c15a65

130112101 has 24 divisors (see below), whose sum is σ = 161841240. Its totient is φ = 103928832.

The previous prime is 130112083. The next prime is 130112111. The reversal of 130112101 is 101211031.

It can be written as a sum of positive squares in 4 ways, for example, as 69739201 + 60372900 = 8351^2 + 7770^2 .

It is not a de Polignac number, because 130112101 - 215 = 130079333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130112111) 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, 90081 + ... + 91513.

It is an arithmetic number, because the mean of its divisors is an integer number (6743385).

Almost surely, 2130112101 is an apocalyptic number.

It is an amenable number.

130112101 is a deficient number, since it is larger than the sum of its proper divisors (31729139).

130112101 is a wasteful number, since it uses less digits than its factorization.

130112101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1573 (or 1566 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 130112101 is about 11406.6691457235. The cubic root of 130112101 is about 506.7252705662.

Adding to 130112101 its reverse (101211031), we get a palindrome (231323132).

The spelling of 130112101 in words is "one hundred thirty million, one hundred twelve thousand, one hundred one".

Divisors: 1 7 17 49 109 119 763 833 1433 1853 5341 10031 12971 24361 70217 90797 156197 170527 1093379 1193689 2655349 7653653 18587443 130112101