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105377457947 = 3141947916937
BaseRepresentation
bin110001000100011111…
…1000110011100011011
3101001222221021111202212
41202020333012130123
53211303112123242
6120224300345335
710420231420316
oct1421077063433
9331887244685
10105377457947
1140765911923
121850a84524b
139c24919418
1451592d997d
152b1b3a0782
hex1888fc671b

105377457947 has 16 divisors (see below), whose sum is σ = 109270425600. Its totient is φ = 101516416320.

The previous prime is 105377457937. The next prime is 105377457953. The reversal of 105377457947 is 749754773501.

It is a cyclic number.

It is not a de Polignac number, because 105377457947 - 210 = 105377456923 is a prime.

It is a super-2 number, since 2×1053774579472 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105377457937) 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 in 15 ways as a sum of consecutive naturals, for example, 6213263 + ... + 6230199.

It is an arithmetic number, because the mean of its divisors is an integer number (6829401600).

Almost surely, 2105377457947 is an apocalyptic number.

105377457947 is a deficient number, since it is larger than the sum of its proper divisors (3892967653).

105377457947 is a wasteful number, since it uses less digits than its factorization.

105377457947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17866.

The product of its (nonzero) digits is 25930800, while the sum is 59.

The spelling of 105377457947 in words is "one hundred five billion, three hundred seventy-seven million, four hundred fifty-seven thousand, nine hundred forty-seven".

Divisors: 1 31 419 479 12989 14849 16937 200701 525047 6221731 7096603 8112823 219994693 251497513 3399272837 105377457947