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144300015857 = 1082711332767
BaseRepresentation
bin1000011001100011110…
…0111000000011110001
3111210110111221022120202
42012120330320003301
54331011301001412
6150142430044545
713265613616454
oct2063074700361
9453414838522
10144300015857
1156219662758
1223b71949755
13107b86b878a
146dac75b49b
153b484aa3c2
hex2198f380f1

144300015857 has 4 divisors (see below), whose sum is σ = 144301456896. Its totient is φ = 144298574820.

The previous prime is 144300015829. The next prime is 144300015971. The reversal of 144300015857 is 758510003441.

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 144300015857 - 230 = 143226274033 is a prime.

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 144300015857.

It is not an unprimeable number, because it can be changed into a prime (144300015557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 558113 + ... + 774654.

It is an arithmetic number, because the mean of its divisors is an integer number (36075364224).

Almost surely, 2144300015857 is an apocalyptic number.

It is an amenable number.

144300015857 is a deficient number, since it is larger than the sum of its proper divisors (1441039).

144300015857 is a wasteful number, since it uses less digits than its factorization.

144300015857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1441038.

The product of its (nonzero) digits is 67200, while the sum is 38.

The spelling of 144300015857 in words is "one hundred forty-four billion, three hundred million, fifteen thousand, eight hundred fifty-seven".

Divisors: 1 108271 1332767 144300015857