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20525795922898 = 278941047401329
BaseRepresentation
bin1001010101011000010001…
…10001100101001111010010
32200200020200000020212200001
410222230020301211033102
510142243312224013043
6111353230453320214
74215640233435460
oct452541061451722
980606600225601
1020525795922898
1165a3a39768182
12237605363606a
13b5b7608211c6
1450d64d411830
15258dca4aa74d
hex12ab08c653d2

20525795922898 has 32 divisors (see below), whose sum is σ = 35583394694400. Its totient is φ = 8697695998464.

The previous prime is 20525795922871. The next prime is 20525795922911. The reversal of 20525795922898 is 89822959752502.

It is a self number, because there is not a number n which added to its sum of digits gives 20525795922898.

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, 50943898 + ... + 51345226.

It is an arithmetic number, because the mean of its divisors is an integer number (1111981084200).

Almost surely, 220525795922898 is an apocalyptic number.

20525795922898 is a deficient number, since it is larger than the sum of its proper divisors (15057598771502).

20525795922898 is a wasteful number, since it uses less digits than its factorization.

20525795922898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442474.

The product of its (nonzero) digits is 653184000, while the sum is 73.

The spelling of 20525795922898 in words is "twenty trillion, five hundred twenty-five billion, seven hundred ninety-five million, nine hundred twenty-two thousand, eight hundred ninety-eight".

Divisors: 1 2 7 14 89 178 623 1246 41047 82094 287329 401329 574658 802658 2809303 3653183 5618606 7306366 25572281 35718281 51144562 71436562 250027967 500055934 16473351463 32946702926 115313460241 230626920482 1466128280207 2932256560414 10262897961449 20525795922898