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20092145705898 = 2371925178127451
BaseRepresentation
bin1001001000110000100010…
…01101010010001110101010
32122010210100011212100220220
410210120101031102032222
510113142203300042043
6110422112044230510
74142416046423520
oct444302115221652
978123304770826
1020092145705898
1164470384a4792
122305baab3b436
13b298b1807876
144d6672102310
1524c9997a7483
hex1246113523aa

20092145705898 has 32 divisors (see below), whose sum is σ = 48342004707840. Its totient is φ = 5438475529200.

The previous prime is 20092145705887. The next prime is 20092145705969. The reversal of 20092145705898 is 89850754129002.

It is a super-3 number, since 3×200921457058983 (a number of 41 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12589062928 + ... + 12589064523.

It is an arithmetic number, because the mean of its divisors is an integer number (1510687647120).

Almost surely, 220092145705898 is an apocalyptic number.

20092145705898 is an abundant number, since it is smaller than the sum of its proper divisors (28249859001942).

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

20092145705898 is a wasteful number, since it uses less digits than its factorization.

20092145705898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25178127482.

The product of its (nonzero) digits is 14515200, while the sum is 60.

The spelling of 20092145705898 in words is "twenty trillion, ninety-two billion, one hundred forty-five million, seven hundred five thousand, eight hundred ninety-eight".

Divisors: 1 2 3 6 7 14 19 21 38 42 57 114 133 266 399 798 25178127451 50356254902 75534382353 151068764706 176246892157 352493784314 478384421569 528740676471 956768843138 1057481352942 1435153264707 2870306529414 3348690950983 6697381901966 10046072852949 20092145705898