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10144444423 = 232129207169
BaseRepresentation
bin10010111001010011…
…11111000000000111
3222011222120011121211
421130221333000013
5131233434210143
64354342352251
7506250232501
oct113451770007
928158504554
1010144444423
114336302273
121b7142b687
13c588c2749
146c3402d71
153e58e149d
hex25ca7f007

10144444423 has 8 divisors (see below), whose sum is σ = 10590530400. Its totient is φ = 9698777088.

The previous prime is 10144444351. The next prime is 10144444439. The reversal of 10144444423 is 32444444101.

10144444423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10144444423 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 (10144442423) 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 7 ways as a sum of consecutive naturals, for example, 54618 + ... + 152551.

It is an arithmetic number, because the mean of its divisors is an integer number (1323816300).

Almost surely, 210144444423 is an apocalyptic number.

10144444423 is a deficient number, since it is larger than the sum of its proper divisors (446085977).

10144444423 is a wasteful number, since it uses less digits than its factorization.

10144444423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209321.

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 10144444423 its reverse (32444444101), we get a palindrome (42588888524).

The spelling of 10144444423 in words is "ten billion, one hundred forty-four million, four hundred forty-four thousand, four hundred twenty-three".

Divisors: 1 23 2129 48967 207169 4764887 441062801 10144444423