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20623068438883 = 47438788690189
BaseRepresentation
bin1001011000001101011101…
…01010110010000101100011
32201000112202002122200020021
410230012232222302011203
510200342021010021013
6111510035025054311
74225652601251521
oct454065652620543
981015662580207
1020623068438883
116631215545159
122390a7ba87397
13b67993243481
1451423a127311
1525b6c0031a8d
hex12c1aeab2163

20623068438883 has 4 divisors (see below), whose sum is σ = 21061857129120. Its totient is φ = 20184279748648.

The previous prime is 20623068438793. The next prime is 20623068439049. The reversal of 20623068438883 is 38883486032602.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20623068438883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20623068433883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219394345048 + ... + 219394345141.

It is an arithmetic number, because the mean of its divisors is an integer number (5265464282280).

Almost surely, 220623068438883 is an apocalyptic number.

20623068438883 is a deficient number, since it is larger than the sum of its proper divisors (438788690237).

20623068438883 is an equidigital number, since it uses as much as digits as its factorization.

20623068438883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438788690236.

The product of its (nonzero) digits is 63700992, while the sum is 61.

The spelling of 20623068438883 in words is "twenty trillion, six hundred twenty-three billion, sixty-eight million, four hundred thirty-eight thousand, eight hundred eighty-three".

Divisors: 1 47 438788690189 20623068438883