Search a number
-
+
20310466145353 = 19268669819317
BaseRepresentation
bin1001001111000111001100…
…00111101010110001001001
32122220122212022021210201221
410213203212013222301021
510130231313313122403
6111110255505042041
74164245166511456
oct447434607526111
978818768253657
1020310466145353
11652069071223a
12234037a026321
13b44365560557
145030633c482d
152534c62cedbd
hex1278e61eac49

20310466145353 has 12 divisors (see below), whose sum is σ = 21436038049860. Its totient is φ = 19241190552096.

The previous prime is 20310466145309. The next prime is 20310466145363. The reversal of 20310466145353 is 35354166401302.

It can be written as a sum of positive squares in 2 ways, for example, as 15909185231424 + 4401280913929 = 3988632^2 + 2097923^2 .

It is not a de Polignac number, because 20310466145353 - 213 = 20310466137161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20310466145363) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24379851 + ... + 25199167.

It is an arithmetic number, because the mean of its divisors is an integer number (1786336504155).

Almost surely, 220310466145353 is an apocalyptic number.

It is an amenable number.

20310466145353 is a deficient number, since it is larger than the sum of its proper divisors (1125571904507).

20310466145353 is an equidigital number, since it uses as much as digits as its factorization.

20310466145353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888024 (or 888005 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 43.

The spelling of 20310466145353 in words is "twenty trillion, three hundred ten billion, four hundred sixty-six million, one hundred forty-five thousand, three hundred fifty-three".

Divisors: 1 19 361 68669 819317 1304711 15567023 24789509 295773437 56261679073 1068971902387 20310466145353