Search a number
-
+
130120203230 = 2513993611657
BaseRepresentation
bin111100100101111000…
…1001011101111011110
3110102212022010012110022
41321023301023233132
54112441233000410
6135435411312142
712254333323043
oct1711361135736
9412768105408
10130120203230
115020250a646
1221274bab652
13c368a700c4
1464254391ca
1535b86a9455
hex1e4bc4bbde

130120203230 has 16 divisors (see below), whose sum is σ = 235901378160. Its totient is φ = 51673634112.

The previous prime is 130120203181. The next prime is 130120203233. The reversal of 130120203230 is 32302021031.

130120203230 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 130120203199 and 130120203208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130120203233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46804439 + ... + 46807218.

It is an arithmetic number, because the mean of its divisors is an integer number (14743836135).

Almost surely, 2130120203230 is an apocalyptic number.

130120203230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130120203230 is a deficient number, since it is larger than the sum of its proper divisors (105781174930).

130120203230 is a wasteful number, since it uses less digits than its factorization.

130120203230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93611803.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 130120203230 its reverse (32302021031), we get a palindrome (162422224261).

The spelling of 130120203230 in words is "one hundred thirty billion, one hundred twenty million, two hundred three thousand, two hundred thirty".

Divisors: 1 2 5 10 139 278 695 1390 93611657 187223314 468058285 936116570 13012020323 26024040646 65060101615 130120203230