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20313106050356 = 2271704834255369
BaseRepresentation
bin1001001111001100000110…
…11110000110110100110100
32122220220200021201212121022
410213212003132012310310
510130302220122102411
6111111413451240312
74164400463363510
oct447460336066464
978826607655538
1020313106050356
116521815892a09
122340996149098
13b44696465a12
14503233c53140
152535cce43edb
hex127983786d34

20313106050356 has 24 divisors (see below), whose sum is σ = 40626459948480. Its totient is φ = 8705563768512.

The previous prime is 20313106050331. The next prime is 20313106050401. The reversal of 20313106050356 is 65305060131302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2645840 + ... + 6901208.

It is an arithmetic number, because the mean of its divisors is an integer number (1692769164520).

Almost surely, 220313106050356 is an apocalyptic number.

It is an amenable number.

20313106050356 is an abundant number, since it is smaller than the sum of its proper divisors (20313353898124).

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

20313106050356 is a wasteful number, since it uses less digits than its factorization.

20313106050356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4425863 (or 4425861 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 35.

Adding to 20313106050356 its reverse (65305060131302), we get a palindrome (85618166181658).

The spelling of 20313106050356 in words is "twenty trillion, three hundred thirteen billion, one hundred six million, fifty thousand, three hundred fifty-six".

Divisors: 1 2 4 7 14 28 170483 340966 681932 1193381 2386762 4255369 4773524 8510738 17021476 29787583 59575166 119150332 725468073227 1450936146454 2901872292908 5078276512589 10156553025178 20313106050356