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144803860427 = 239605873893
BaseRepresentation
bin1000011011011011111…
…0111000111111001011
3111211202122000021101202
42012312332320333023
54333024242013202
6150304425134415
713314242335202
oct2066676707713
9454678007352
10144803860427
1156458005626
122409262a40b
1310868bb8765
147019634239
153b77832802
hex21b6fb8fcb

144803860427 has 4 divisors (see below), whose sum is σ = 145409734560. Its totient is φ = 144197986296.

The previous prime is 144803860381. The next prime is 144803860451. The reversal of 144803860427 is 724068308441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 144803860427 - 212 = 144803856331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144803860027) 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, 302936708 + ... + 302937185.

It is an arithmetic number, because the mean of its divisors is an integer number (36352433640).

Almost surely, 2144803860427 is an apocalyptic number.

144803860427 is a deficient number, since it is larger than the sum of its proper divisors (605874133).

144803860427 is an equidigital number, since it uses as much as digits as its factorization.

144803860427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605874132.

The product of its (nonzero) digits is 1032192, while the sum is 47.

The spelling of 144803860427 in words is "one hundred forty-four billion, eight hundred three million, eight hundred sixty thousand, four hundred twenty-seven".

Divisors: 1 239 605873893 144803860427