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52444431401 = 1729131812047
BaseRepresentation
bin110000110101111011…
…101000010000101001
312000100221110011010012
4300311323220100221
51324401233301101
640032002101305
73534423211625
oct606573502051
9160327404105
1052444431401
112027257259a
12a1b764a835
134c3a31423b
142777238185
15156e295bbb
hexc35ee8429

52444431401 has 16 divisors (see below), whose sum is σ = 57882781440. Its totient is φ = 47293559040.

The previous prime is 52444431379. The next prime is 52444431409. The reversal of 52444431401 is 10413444425.

It is a cyclic number.

It is not a de Polignac number, because 52444431401 - 210 = 52444430377 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52444431409) 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 15 ways as a sum of consecutive naturals, for example, 341441 + ... + 470606.

It is an arithmetic number, because the mean of its divisors is an integer number (3617673840).

Almost surely, 252444431401 is an apocalyptic number.

It is an amenable number.

52444431401 is a deficient number, since it is larger than the sum of its proper divisors (5438350039).

52444431401 is a wasteful number, since it uses less digits than its factorization.

52444431401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812224.

The product of its (nonzero) digits is 30720, while the sum is 32.

Adding to 52444431401 its reverse (10413444425), we get a palindrome (62857875826).

The spelling of 52444431401 in words is "fifty-two billion, four hundred forty-four million, four hundred thirty-one thousand, four hundred one".

Divisors: 1 17 29 131 493 2227 3799 64583 812047 13804799 23549363 106378157 400339171 1808428669 3084966553 52444431401