Search a number
-
+
2151544244141 = 22325513782117
BaseRepresentation
bin11111010011110010000…
…001111100011110101101
321121200111211002002120002
4133103302001330132231
5240222330311303031
64324223352034045
7311305162216565
oct37236201743655
97550454062502
102151544244141
1175a5126a9466
122a8b97992925
13127b74a27356
14761c737dda5
153ae77445ccb
hex1f4f207c7ad

2151544244141 has 8 divisors (see below), whose sum is σ = 2162040190464. Its totient is φ = 2141055867600.

The previous prime is 2151544244131. The next prime is 2151544244221. The reversal of 2151544244141 is 1414424451512.

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 2151544244141 - 26 = 2151544244077 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2151544244095 and 2151544244104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2151544244111) 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, 1322186 + ... + 2459931.

It is an arithmetic number, because the mean of its divisors is an integer number (270255023808).

Almost surely, 22151544244141 is an apocalyptic number.

It is an amenable number.

2151544244141 is a deficient number, since it is larger than the sum of its proper divisors (10495946323).

2151544244141 is a wasteful number, since it uses less digits than its factorization.

2151544244141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3784891.

The product of its digits is 102400, while the sum is 38.

Adding to 2151544244141 its reverse (1414424451512), we get a palindrome (3565968695653).

The spelling of 2151544244141 in words is "two trillion, one hundred fifty-one billion, five hundred forty-four million, two hundred forty-four thousand, one hundred forty-one".

Divisors: 1 223 2551 568873 3782117 843412091 9648180467 2151544244141