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130230030 = 23571736479
BaseRepresentation
bin1111100001100…
…10011100001110
3100002001101000110
413300302130032
5231314330110
620531140450
73140636250
oct760623416
9302041013
10130230030
1167569827
1237744726
1320c993b8
141341dcd0
15b676a20
hex7c3270e

130230030 has 64 divisors (see below), whose sum is σ = 378224640. Its totient is φ = 28015104.

The previous prime is 130230019. The next prime is 130230053. The reversal of 130230030 is 30032031.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 130229988 and 130230015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14670 + ... + 21809.

It is an arithmetic number, because the mean of its divisors is an integer number (5909760).

Almost surely, 2130230030 is an apocalyptic number.

130230030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130230030 is an abundant number, since it is smaller than the sum of its proper divisors (247994610).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130230030 is a wasteful number, since it uses less digits than its factorization.

130230030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36513.

The product of its (nonzero) digits is 54, while the sum is 12.

The square root of 130230030 is about 11411.8372753908. The cubic root of 130230030 is about 506.8783169496.

Adding to 130230030 its reverse (30032031), we get a palindrome (160262061).

The spelling of 130230030 in words is "one hundred thirty million, two hundred thirty thousand, thirty".

Divisors: 1 2 3 5 6 7 10 14 15 17 21 30 34 35 42 51 70 85 102 105 119 170 210 238 255 357 510 595 714 1190 1785 3570 36479 72958 109437 182395 218874 255353 364790 510706 547185 620143 766059 1094370 1240286 1276765 1532118 1860429 2553530 3100715 3720858 3830295 4341001 6201430 7660590 8682002 9302145 13023003 18604290 21705005 26046006 43410010 65115015 130230030