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20445013413601 = 73179213615779
BaseRepresentation
bin1001010011000001110011…
…10000110000111011100001
32200101112011010201012201021
410221200321300300323201
510134432341413213401
6111252150504005441
74210050330435610
oct451407160607341
980345133635637
1020445013413601
1165727550872a7
122362469760881
13b53c5854b74a
14509788781877
15256c4d46c2a1
hex129839c30ee1

20445013413601 has 8 divisors (see below), whose sum is σ = 23439438544320. Its totient is φ = 17469015515088.

The previous prime is 20445013413593. The next prime is 20445013413641. The reversal of 20445013413601 is 10631431054402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20445013413601 - 23 = 20445013413593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20445013413641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4606805671 + ... + 4606810108.

It is an arithmetic number, because the mean of its divisors is an integer number (2929929818040).

Almost surely, 220445013413601 is an apocalyptic number.

It is an amenable number.

20445013413601 is a deficient number, since it is larger than the sum of its proper divisors (2994425130719).

20445013413601 is an equidigital number, since it uses as much as digits as its factorization.

20445013413601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9213616103.

The product of its (nonzero) digits is 34560, while the sum is 34.

The spelling of 20445013413601 in words is "twenty trillion, four hundred forty-five billion, thirteen million, four hundred thirteen thousand, six hundred one".

Divisors: 1 7 317 2219 9213615779 64495310453 2920716201943 20445013413601