Search a number
-
+
20313230111330 = 25131274969247607
BaseRepresentation
bin1001001111001100010101…
…10111010111001001100010
32122220220222221011211021012
410213212022313113021202
510130302443402030310
6111111434042300522
74164403531030352
oct447461267271142
978826887154235
1020313230111330
116521879918842
122340a0b7b7742
13b446b6082190
14503246508b62
152535d8c9cc05
hex12798add7262

20313230111330 has 64 divisors (see below), whose sum is σ = 39694612930560. Its totient is φ = 7439684765184.

The previous prime is 20313230111303. The next prime is 20313230111347. The reversal of 20313230111330 is 3311103231302.

It is a junction number, because it is equal to n+sod(n) for n = 20313230111296 and 20313230111305.

It is an unprimeable number.

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, 81914387 + ... + 82161993.

It is an arithmetic number, because the mean of its divisors is an integer number (620228327040).

Almost surely, 220313230111330 is an apocalyptic number.

20313230111330 is a deficient number, since it is larger than the sum of its proper divisors (19381382819230).

20313230111330 is a wasteful number, since it uses less digits than its factorization.

20313230111330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252723.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 20313230111330 its reverse (3311103231302), we get a palindrome (23624333342632).

The spelling of 20313230111330 in words is "twenty trillion, three hundred thirteen billion, two hundred thirty million, one hundred eleven thousand, three hundred thirty".

Divisors: 1 2 5 10 13 26 65 127 130 254 635 1270 1651 3302 4969 8255 9938 16510 24845 49690 64597 129194 247607 322985 495214 631063 645970 1238035 1262126 2476070 3155315 3218891 6310630 6437782 8203819 16094455 16407638 31446089 32188910 41019095 62892178 82038190 157230445 314460890 408799157 817598314 1230359183 2043995785 2460718366 4087991570 6151795915 12303591830 15994669379 31989338758 79973346895 156255616241 159946693790 312511232482 781278081205 1562556162410 2031323011133 4062646022266 10156615055665 20313230111330