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105452387863 = 17191409231709
BaseRepresentation
bin110001000110101110…
…0111011111000010111
3101002012011021100021221
41202031130323320113
53211431302402423
6120235534351211
710422131336014
oct1421534737027
9332164240257
10105452387863
11407a413a879
121852b95b507
139c372c2b54
14516524270b
152b22c51e5d
hex188d73be17

105452387863 has 16 divisors (see below), whose sum is σ = 117615996000. Its totient is φ = 93958520832.

The previous prime is 105452387839. The next prime is 105452387891. The reversal of 105452387863 is 368783254501.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-105452387863 is a prime.

It is a super-2 number, since 2×1054523878632 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105452387863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105452381863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 339253 + ... + 570961.

It is an arithmetic number, because the mean of its divisors is an integer number (7350999750).

Almost surely, 2105452387863 is an apocalyptic number.

105452387863 is a deficient number, since it is larger than the sum of its proper divisors (12163608137).

105452387863 is a wasteful number, since it uses less digits than its factorization.

105452387863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233154.

The product of its (nonzero) digits is 4838400, while the sum is 52.

The spelling of 105452387863 in words is "one hundred five billion, four hundred fifty-two million, three hundred eighty-seven thousand, eight hundred sixty-three".

Divisors: 1 17 19 323 1409 23953 26771 231709 455107 3939053 4402471 74842007 326477981 5550125677 6203081639 105452387863