Search a number
-
+
144268624281601 = 458791314453911
BaseRepresentation
bin100000110011011000101000…
…000110100100000000000001
3200220210221112110220122001001
4200303120220012210000001
5122402144120304002401
61230500031355412001
742250031000024101
oct4063305006440001
9626727473818031
10144268624281601
1141a71a86371526
1214220286454001
13626661bc46391
14278a8d2733201
1511a2b58381601
hex8336281a4001

144268624281601 has 4 divisors (see below), whose sum is σ = 144268939194304. Its totient is φ = 144268309368900.

The previous prime is 144268624281581. The next prime is 144268624281611. The reversal of 144268624281601 is 106182426862441.

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 144268624281601 - 25 = 144268624281569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144268624281611) 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, 156768165 + ... + 157685746.

It is an arithmetic number, because the mean of its divisors is an integer number (36067234798576).

Almost surely, 2144268624281601 is an apocalyptic number.

It is an amenable number.

144268624281601 is a deficient number, since it is larger than the sum of its proper divisors (314912703).

144268624281601 is an equidigital number, since it uses as much as digits as its factorization.

144268624281601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314912702.

The product of its (nonzero) digits is 7077888, while the sum is 55.

The spelling of 144268624281601 in words is "one hundred forty-four trillion, two hundred sixty-eight billion, six hundred twenty-four million, two hundred eighty-one thousand, six hundred one".

Divisors: 1 458791 314453911 144268624281601