Search a number
-
+
20154430055333 = 72879204293619
BaseRepresentation
bin1001001010100100100011…
…01001001110001110100101
32122100202002212212010222202
410211102101221032032211
510120202233043232313
6110510452314104245
74150052364600230
oct445222151161645
978322085763882
1020154430055333
11647049a383342
122316091a1b085
13b327295ba3c2
144d96a010c417
1524e3e2839558
hex125491a4e3a5

20154430055333 has 4 divisors (see below), whose sum is σ = 23033634348960. Its totient is φ = 17275225761708.

The previous prime is 20154430055327. The next prime is 20154430055339. The reversal of 20154430055333 is 33355003445102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (20154430055327) and next prime (20154430055339).

It is a cyclic number.

It is not a de Polignac number, because 20154430055333 - 220 = 20154429006757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20154430055339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1439602146803 + ... + 1439602146816.

It is an arithmetic number, because the mean of its divisors is an integer number (5758408587240).

Almost surely, 220154430055333 is an apocalyptic number.

It is an amenable number.

20154430055333 is a deficient number, since it is larger than the sum of its proper divisors (2879204293627).

20154430055333 is an equidigital number, since it uses as much as digits as its factorization.

20154430055333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2879204293626.

The product of its (nonzero) digits is 324000, while the sum is 38.

The spelling of 20154430055333 in words is "twenty trillion, one hundred fifty-four billion, four hundred thirty million, fifty-five thousand, three hundred thirty-three".

Divisors: 1 7 2879204293619 20154430055333