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144613004640613 = 168875985632707
BaseRepresentation
bin100000111000011001010110…
…110001011000000101100101
3200222000212102221022111012121
4200320121112301120011211
5122423314413141444423
61231322144105545541
742313642031543305
oct4070312661300545
9628025387274177
10144613004640613
1142095038080383
1214276b767a52b1
13628cc424a1642
14279d441ac7605
1511abab1d8145d
hex838656c58165

144613004640613 has 4 divisors (see below), whose sum is σ = 144613091962080. Its totient is φ = 144612917319148.

The previous prime is 144613004640571. The next prime is 144613004640749. The reversal of 144613004640613 is 316046400316441.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2k-144613004640613 is a prime.

It is a super-2 number, since 2×1446130046406132 (a number of 29 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 144613004640613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144613004640113) 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, 41127595 + ... + 44505112.

It is an arithmetic number, because the mean of its divisors is an integer number (36153272990520).

Almost surely, 2144613004640613 is an apocalyptic number.

It is an amenable number.

144613004640613 is a deficient number, since it is larger than the sum of its proper divisors (87321467).

144613004640613 is an equidigital number, since it uses as much as digits as its factorization.

144613004640613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87321466.

The product of its (nonzero) digits is 497664, while the sum is 43.

The spelling of 144613004640613 in words is "one hundred forty-four trillion, six hundred thirteen billion, four million, six hundred forty thousand, six hundred thirteen".

Divisors: 1 1688759 85632707 144613004640613