Search a number
-
+
144340357061 = 217966241559
BaseRepresentation
bin1000011001101101011…
…0110000111111000101
3111210120022211212022102
42012123112300333011
54331102112411221
6150150430441445
713266613535345
oct2063326607705
9453508755272
10144340357061
115623a40669a
1223b83363285
13107c3b71704
146db3c5cd25
153b4bcc830b
hex219b5b0fc5

144340357061 has 4 divisors (see below), whose sum is σ = 144406600800. Its totient is φ = 144274113324.

The previous prime is 144340357013. The next prime is 144340357087. The reversal of 144340357061 is 160753043441.

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 a cyclic number.

It is not a de Polignac number, because 144340357061 - 210 = 144340356037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144340357961) 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, 33118601 + ... + 33122958.

It is an arithmetic number, because the mean of its divisors is an integer number (36101650200).

Almost surely, 2144340357061 is an apocalyptic number.

It is an amenable number.

144340357061 is a deficient number, since it is larger than the sum of its proper divisors (66243739).

144340357061 is an equidigital number, since it uses as much as digits as its factorization.

144340357061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66243738.

The product of its (nonzero) digits is 120960, while the sum is 38.

The spelling of 144340357061 in words is "one hundred forty-four billion, three hundred forty million, three hundred fifty-seven thousand, sixty-one".

Divisors: 1 2179 66241559 144340357061