Search a number
-
+
20623012131175 = 52824920485247
BaseRepresentation
bin1001011000001101010110…
…10011111111000101100111
32201000112121011200221120121
410230012223103333011213
510200341412101144200
6111510025254142411
74225651315533226
oct454065323770547
981015534627517
1020623012131175
116631196786363
122390a65051a07
13b67984689cbc
1451423286acbd
1525b6ba10ce1a
hex12c1ab4ff167

20623012131175 has 6 divisors (see below), whose sum is σ = 25572535042688. Its totient is φ = 16498409704920.

The previous prime is 20623012131061. The next prime is 20623012131199. The reversal of 20623012131175 is 57113121032602.

It is not a de Polignac number, because 20623012131175 - 237 = 20485573177703 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20623012131175.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 412460242599 + ... + 412460242648.

Almost surely, 220623012131175 is an apocalyptic number.

20623012131175 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20623012131175 is a deficient number, since it is larger than the sum of its proper divisors (4949522911513).

20623012131175 is an equidigital number, since it uses as much as digits as its factorization.

20623012131175 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824920485257 (or 824920485252 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

Adding to 20623012131175 its reverse (57113121032602), we get a palindrome (77736133163777).

The spelling of 20623012131175 in words is "twenty trillion, six hundred twenty-three billion, twelve million, one hundred thirty-one thousand, one hundred seventy-five".

Divisors: 1 5 25 824920485247 4124602426235 20623012131175