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20413165310445 = 351608778459119
BaseRepresentation
bin1001010010000110011110…
…11101111001000111101101
32200021110221120212221102010
410221003033131321013231
510133422130304413240
6111225402332351433
74204542160145115
oct451031735710755
980243846787363
1020413165310445
1165601a1713a96
12235825b915579
13b50c513236ab
14508006adc045
15255ed7487280
hex1290cf7791ed

20413165310445 has 16 divisors (see below), whose sum is σ = 32661271376640. Its totient is φ = 10886952538944.

The previous prime is 20413165310431. The next prime is 20413165310477. The reversal of 20413165310445 is 54401356131402.

It is not a de Polignac number, because 20413165310445 - 24 = 20413165310429 is a prime.

It is a super-3 number, since 3×204131653104453 (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is a congruent number.

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, 1816405 + ... + 6642714.

It is an arithmetic number, because the mean of its divisors is an integer number (2041329461040).

Almost surely, 220413165310445 is an apocalyptic number.

It is an amenable number.

20413165310445 is a deficient number, since it is larger than the sum of its proper divisors (12248106066195).

20413165310445 is a wasteful number, since it uses less digits than its factorization.

20413165310445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8620004.

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 20413165310445 in words is "twenty trillion, four hundred thirteen billion, one hundred sixty-five million, three hundred ten thousand, four hundred forty-five".

Divisors: 1 3 5 15 160877 482631 804385 2413155 8459119 25377357 42295595 126886785 1360877687363 4082633062089 6804388436815 20413165310445