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105447731756117 = 1939235114145193
BaseRepresentation
bin10111111110011101110110…
…100101111111110001010101
3111211100201000201201110122212
4113332131312211333301111
5102310123423312143432
61012134004052403205
731132230044061302
oct2776356645776125
9454321021643585
10105447731756117
113066514a617963
12b9b0588016505
1346ab8a86b14ca
141c079a9b280a9
15c2ce0e0822b2
hex5fe77697fc55

105447731756117 has 8 divisors (see below), whose sum is σ = 110997903125760. Its totient is φ = 99897589461600.

The previous prime is 105447731756053. The next prime is 105447731756149. The reversal of 105447731756117 is 711657137744501.

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

It is not a de Polignac number, because 105447731756117 - 26 = 105447731756053 is a prime.

It is a super-2 number, since 2×1054477317561172 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105447731756417) 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, 382073 + ... + 14527265.

It is an arithmetic number, because the mean of its divisors is an integer number (13874737890720).

Almost surely, 2105447731756117 is an apocalyptic number.

It is an amenable number.

105447731756117 is a deficient number, since it is larger than the sum of its proper divisors (5550171369643).

105447731756117 is a wasteful number, since it uses less digits than its factorization.

105447731756117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14537563.

The product of its (nonzero) digits is 17287200, while the sum is 59.

The spelling of 105447731756117 in words is "one hundred five trillion, four hundred forty-seven billion, seven hundred thirty-one million, seven hundred fifty-six thousand, one hundred seventeen".

Divisors: 1 19 392351 7454669 14145193 268758667 5549880618743 105447731756117