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20315304005316 = 2235613130160553
BaseRepresentation
bin1001001111010000001100…
…11110101000111011000100
32122221010100110120112222120
410213220012132220323010
510130321220311132231
6111112415525125540
74164506112604455
oct447500636507304
978833313515876
1020315304005316
116522743546011
1223412aa2598b0
13b4495692c598
145033a1b1b12c
152536aada9d96
hex127a067a8ec4

20315304005316 has 24 divisors (see below), whose sum is σ = 47403222079584. Its totient is φ = 6771647135040.

The previous prime is 20315304005291. The next prime is 20315304005317. The reversal of 20315304005316 is 61350040351302.

It is not an unprimeable number, because it can be changed into a prime (20315304005317) 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, 14406705 + ... + 15753848.

It is an arithmetic number, because the mean of its divisors is an integer number (1975134253316).

Almost surely, 220315304005316 is an apocalyptic number.

It is an amenable number.

20315304005316 is an abundant number, since it is smaller than the sum of its proper divisors (27087918074268).

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

20315304005316 is a wasteful number, since it uses less digits than its factorization.

20315304005316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30216691 (or 30216689 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 33.

Adding to 20315304005316 its reverse (61350040351302), we get a palindrome (81665344356618).

The spelling of 20315304005316 in words is "twenty trillion, three hundred fifteen billion, three hundred four million, five thousand, three hundred sixteen".

Divisors: 1 2 3 4 6 12 56131 112262 168393 224524 336786 673572 30160553 60321106 90481659 120642212 180963318 361926636 1692942000443 3385884000886 5078826001329 6771768001772 10157652002658 20315304005316