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105420660376 = 2313177582547
BaseRepresentation
bin110001000101110001…
…1111001111010011000
3101002002221120102100211
41202023203321322120
53211400142113001
6120232442340504
710421264554033
oct1421343717230
9332087512324
10105420660376
114078823a509
12185211ba734
139c308647a5
145160d4401a
152b20086351
hex188b8f9e98

105420660376 has 8 divisors (see below), whose sum is σ = 197663738220. Its totient is φ = 52710330184.

The previous prime is 105420660361. The next prime is 105420660377. The reversal of 105420660376 is 673066024501.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1054206603762 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105420660377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6588791266 + ... + 6588791281.

Almost surely, 2105420660376 is an apocalyptic number.

It is an amenable number.

105420660376 is a deficient number, since it is larger than the sum of its proper divisors (92243077844).

105420660376 is a wasteful number, since it uses less digits than its factorization.

105420660376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13177582553 (or 13177582549 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 40.

Adding to 105420660376 its reverse (673066024501), we get a palindrome (778486684877).

The spelling of 105420660376 in words is "one hundred five billion, four hundred twenty million, six hundred sixty thousand, three hundred seventy-six".

Divisors: 1 2 4 8 13177582547 26355165094 52710330188 105420660376