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144437633207 = 720633947601
BaseRepresentation
bin1000011010000100100…
…1110110000010110111
3111210211002220000002122
42012201021312002313
54331302013230312
6150204223430155
713302204424310
oct2064111660267
9453732800078
10144437633207
115628a3076aa
1223baba5535b
131080b07046a
146dc2b41607
153b555e0b72
hex21a12760b7

144437633207 has 4 divisors (see below), whose sum is σ = 165071580816. Its totient is φ = 123803685600.

The previous prime is 144437633203. The next prime is 144437633237. The reversal of 144437633207 is 702336734441.

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

It is not a de Polignac number, because 144437633207 - 22 = 144437633203 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144437633201) 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, 10316973794 + ... + 10316973807.

It is an arithmetic number, because the mean of its divisors is an integer number (41267895204).

Almost surely, 2144437633207 is an apocalyptic number.

144437633207 is a deficient number, since it is larger than the sum of its proper divisors (20633947609).

144437633207 is an equidigital number, since it uses as much as digits as its factorization.

144437633207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20633947608.

The product of its (nonzero) digits is 1016064, while the sum is 44.

The spelling of 144437633207 in words is "one hundred forty-four billion, four hundred thirty-seven million, six hundred thirty-three thousand, two hundred seven".

Divisors: 1 7 20633947601 144437633207