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130242706 = 21125211033
BaseRepresentation
bin1111100001101…
…01100010010010
3100002002000101221
413300311202102
5231320231311
620531315254
73141021226
oct760654222
9302060357
10130242706
1167578300
123774bb2a
1320ca20b9
1413424786
15b67a671
hex7c35892

130242706 has 24 divisors (see below), whose sum is σ = 215359452. Its totient is φ = 59030400.

The previous prime is 130242653. The next prime is 130242733. The reversal of 130242706 is 607242031.

It can be written as a sum of positive squares in 2 ways, for example, as 125641681 + 4601025 = 11209^2 + 2145^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 125566 + ... + 126598.

Almost surely, 2130242706 is an apocalyptic number.

130242706 is a deficient number, since it is larger than the sum of its proper divisors (85116746).

130242706 is a wasteful number, since it uses less digits than its factorization.

130242706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1578 (or 1567 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 130242706 is about 11412.3926500975. The cubic root of 130242706 is about 506.8947621609.

Adding to 130242706 its reverse (607242031), we get a palindrome (737484737).

The spelling of 130242706 in words is "one hundred thirty million, two hundred forty-two thousand, seven hundred six".

Divisors: 1 2 11 22 121 242 521 1033 1042 2066 5731 11363 11462 22726 63041 124993 126082 249986 538193 1076386 5920123 11840246 65121353 130242706