Search a number
-
+
20112325251 = 38287808991
BaseRepresentation
bin10010101110110010…
…011011101010000011
31220220122212222112020
4102232302123222003
5312142223402001
613123420532523
71311254641524
oct225662335203
956818788466
1020112325251
118590979707
123a936b1143
131b86a45495
14d8b1a484b
157caa57736
hex4aec9ba83

20112325251 has 8 divisors (see below), whose sum is σ = 26819702784. Its totient is φ = 13406582280.

The previous prime is 20112325249. The next prime is 20112325291. The reversal of 20112325251 is 15252321102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20112325251 - 21 = 20112325249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20112325231) 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, 379635 + ... + 429356.

It is an arithmetic number, because the mean of its divisors is an integer number (3352462848).

Almost surely, 220112325251 is an apocalyptic number.

20112325251 is a deficient number, since it is larger than the sum of its proper divisors (6707377533).

20112325251 is an equidigital number, since it uses as much as digits as its factorization.

20112325251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817281.

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 20112325251 its reverse (15252321102), we get a palindrome (35364646353).

The spelling of 20112325251 in words is "twenty billion, one hundred twelve million, three hundred twenty-five thousand, two hundred fifty-one".

Divisors: 1 3 8287 24861 808991 2426973 6704108417 20112325251