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20060556047 = 722342192
BaseRepresentation
bin10010101011101100…
…111100101100001111
31220210001110211112022
4102223230330230033
5312041000243142
613114331200355
71310055625100
oct225354745417
956701424468
1020060556047
11856472a744
123a7a2a60bb
131b790baa0c
14d8436a3a7
157c622d6d2
hex4abb3cb0f

20060556047 has 18 divisors (see below), whose sum is σ = 24356119608. Its totient is φ = 16443265608.

The previous prime is 20060556023. The next prime is 20060556071. The reversal of 20060556047 is 74065506002.

It is an interprime number because it is at equal distance from previous prime (20060556023) and next prime (20060556071).

It is not a de Polignac number, because 20060556047 - 28 = 20060555791 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20060555998 and 20060556016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20060556007) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4752704 + ... + 4756922.

It is an arithmetic number, because the mean of its divisors is an integer number (1353117756).

Almost surely, 220060556047 is an apocalyptic number.

20060556047 is a deficient number, since it is larger than the sum of its proper divisors (4295563561).

20060556047 is an frugal number, since it uses more digits than its factorization.

20060556047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8475 (or 4249 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 35.

It can be divided in two parts, 2006055 and 6047, that added together give a palindrome (2012102).

The spelling of 20060556047 in words is "twenty billion, sixty million, five hundred fifty-six thousand, forty-seven".

Divisors: 1 7 23 49 161 1127 4219 29533 97037 206731 679259 4754813 17799961 124599727 409399103 872198089 2865793721 20060556047