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20130132331230 = 2351495077887017
BaseRepresentation
bin1001001001110111010010…
…11000110000101011011110
32122021102101112101212121020
410210323221120300223132
510114303002334044410
6110451353301345010
74145232305416365
oct444735130605336
978242345355536
1020130132331230
116461160a00619
122311430708166
13b3035670c16c
144d84371327dc
1524d96e638a70
hex124ee9630ade

20130132331230 has 64 divisors (see below), whose sum is σ = 48646195963200. Its totient is φ = 5330951967744.

The previous prime is 20130132331217. The next prime is 20130132331237. The reversal of 20130132331230 is 3213323103102.

It is a self number, because there is not a number n which added to its sum of digits gives 20130132331230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20130132331237) 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 31 ways as a sum of consecutive naturals, for example, 22250682 + ... + 23137698.

It is an arithmetic number, because the mean of its divisors is an integer number (760096811925).

Almost surely, 220130132331230 is an apocalyptic number.

20130132331230 is an abundant number, since it is smaller than the sum of its proper divisors (28516063631970).

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

20130132331230 is a wasteful number, since it uses less digits than its factorization.

20130132331230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892253.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 20130132331230 its reverse (3213323103102), we get a palindrome (23343455434332).

The spelling of 20130132331230 in words is "twenty trillion, one hundred thirty billion, one hundred thirty-two million, three hundred thirty-one thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 149 298 447 745 894 1490 2235 4470 5077 10154 15231 25385 30462 50770 76155 152310 756473 887017 1512946 1774034 2269419 2661051 3782365 4435085 4538838 5322102 7564730 8870170 11347095 13305255 22694190 26610510 132165533 264331066 396496599 660827665 792993198 1321655330 1982482995 3964965990 4503385309 9006770618 13510155927 22516926545 27020311854 45033853090 67550779635 135101559270 671004411041 1342008822082 2013013233123 3355022055205 4026026466246 6710044110410 10065066165615 20130132331230