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105924742020 = 223251075499727
BaseRepresentation
bin110001010100110011…
…0110100101110000100
3101010102002002102101100
41202221212310232010
53213413213221040
6120354450500100
710436625310566
oct1425146645604
9333362072340
10105924742020
1140a16834509
1218641b94630
139cb1118656
1451abc7d336
152b4e458b30
hex18a99b4b84

105924742020 has 72 divisors (see below), whose sum is σ = 324307960704. Its totient is φ = 27982605888.

The previous prime is 105924742003. The next prime is 105924742039. The reversal of 105924742020 is 20247429501.

105924742020 is a `hidden beast` number, since 1 + 0 + 592 + 4 + 7 + 42 + 0 + 20 = 666.

It is a super-2 number, since 2×1059247420202 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 2730604 + ... + 2769123.

It is an arithmetic number, because the mean of its divisors is an integer number (4504277232).

Almost surely, 2105924742020 is an apocalyptic number.

105924742020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105924742020 is an abundant number, since it is smaller than the sum of its proper divisors (218383218684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105924742020 is a wasteful number, since it uses less digits than its factorization.

105924742020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5499849 (or 5499844 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The spelling of 105924742020 in words is "one hundred five billion, nine hundred twenty-four million, seven hundred forty-two thousand, twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 107 180 214 321 428 535 642 963 1070 1284 1605 1926 2140 3210 3852 4815 6420 9630 19260 5499727 10999454 16499181 21998908 27498635 32998362 49497543 54997270 65996724 82495905 98995086 109994540 164991810 197990172 247487715 329983620 494975430 588470789 989950860 1176941578 1765412367 2353883156 2942353945 3530824734 5296237101 5884707890 7061649468 8827061835 10592474202 11769415780 17654123670 21184948404 26481185505 35308247340 52962371010 105924742020