Search a number
-
+
20154741330127 = 209472677735933
BaseRepresentation
bin1001001010100101001000…
…01100101001000011001111
32122100202220120120112201211
410211102210030221003033
510120203402240031002
6110510543233515251
74150063164436015
oct445224414510317
978322816515654
1020154741330127
11647063a058738
12231615a112b27
13b32778c35081
144d96cd5b88b5
1524e40ed23dd7
hex1254a43290cf

20154741330127 has 8 divisors (see below), whose sum is σ = 20157017178096. Its totient is φ = 20152465649472.

The previous prime is 20154741330077. The next prime is 20154741330131. The reversal of 20154741330127 is 72103314745102.

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

It is a cyclic number.

It is not a de Polignac number, because 20154741330127 - 211 = 20154741328079 is a prime.

It is a super-2 number, since 2×201547413301272 (a number of 27 digits) contains 22 as substring.

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 20154741330127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20154741339127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 560879853 + ... + 560915785.

It is an arithmetic number, because the mean of its divisors is an integer number (2519627147262).

Almost surely, 220154741330127 is an apocalyptic number.

20154741330127 is a deficient number, since it is larger than the sum of its proper divisors (2275847969).

20154741330127 is a wasteful number, since it uses less digits than its factorization.

20154741330127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83657.

The product of its (nonzero) digits is 141120, while the sum is 40.

The spelling of 20154741330127 in words is "twenty trillion, one hundred fifty-four billion, seven hundred forty-one million, three hundred thirty thousand, one hundred twenty-seven".

Divisors: 1 20947 26777 35933 560897819 752688551 962177941 20154741330127