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120000130 = 2514980537
BaseRepresentation
bin1110010011100…
…00111010000010
322100210122020021
413021300322002
5221210001010
615524004054
72654661415
oct711607202
9270718207
10120000130
1161811968
123423062a
131bb26cc3
1411d19b7c
15a8058da
hex7270e82

120000130 has 16 divisors (see below), whose sum is σ = 217452600. Its totient is φ = 47677312.

The previous prime is 120000121. The next prime is 120000137. The reversal of 120000130 is 31000021.

It can be written as a sum of positive squares in 4 ways, for example, as 69006249 + 50993881 = 8307^2 + 7141^2 .

120000130 is a modest number, since divided by 130 gives 120 as remainder.

It is not an unprimeable number, because it can be changed into a prime (120000137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38779 + ... + 41758.

Almost surely, 2120000130 is an apocalyptic number.

120000130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120000130 is a deficient number, since it is larger than the sum of its proper divisors (97452470).

120000130 is a wasteful number, since it uses less digits than its factorization.

120000130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80693.

The product of its (nonzero) digits is 6, while the sum is 7.

The square root of 120000130 is about 10954.4570837628. The cubic root of 120000130 is about 493.2425929813.

Adding to 120000130 its reverse (31000021), we get a palindrome (151000151).

The spelling of 120000130 in words is "one hundred twenty million, one hundred thirty", and thus it is an aban number.

Divisors: 1 2 5 10 149 298 745 1490 80537 161074 402685 805370 12000013 24000026 60000065 120000130