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144544006221 = 363597576873
BaseRepresentation
bin1000011010011101111…
…1101000000001001101
3111211002112001022102220
42012213133220001031
54332011231144341
6150222543405553
713304635531566
oct2064737500115
9454075038386
10144544006221
115633436128a
122401b5b38b9
1310827105984
146dd2d1116d
153b5eb03a66
hex21a77e804d

144544006221 has 8 divisors (see below), whose sum is σ = 192755674560. Its totient is φ = 96347504352.

The previous prime is 144544006219. The next prime is 144544006297. The reversal of 144544006221 is 122600445441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 144544006221 - 21 = 144544006219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144544006921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3769360 + ... + 3807513.

It is an arithmetic number, because the mean of its divisors is an integer number (24094459320).

Almost surely, 2144544006221 is an apocalyptic number.

It is an amenable number.

144544006221 is a deficient number, since it is larger than the sum of its proper divisors (48211668339).

144544006221 is an equidigital number, since it uses as much as digits as its factorization.

144544006221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7583235.

The product of its (nonzero) digits is 30720, while the sum is 33.

The spelling of 144544006221 in words is "one hundred forty-four billion, five hundred forty-four million, six thousand, two hundred twenty-one".

Divisors: 1 3 6359 19077 7576873 22730619 48181335407 144544006221