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20203312030123 = 178291433570711
BaseRepresentation
bin1001001011111111100110…
…01111001010000110101011
32122112102021112220202100111
410211333303033022012223
510122002340334430443
6110545135020315151
74153432622534245
oct445776317120653
978472245822314
1020203312030123
11648a1a3a3a512
1223236543a2ab7
13b37219837b41
144dbbba16b095
15250803e8769d
hex125ff33ca1ab

20203312030123 has 8 divisors (see below), whose sum is σ = 21417546437280. Its totient is φ = 18991944766080.

The previous prime is 20203312030087. The next prime is 20203312030127. The reversal of 20203312030123 is 32103021330202.

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

It is a cyclic number.

It is not a de Polignac number, because 20203312030123 - 213 = 20203312021931 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20203312030094 and 20203312030103.

It is not an unprimeable number, because it can be changed into a prime (20203312030127) 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, 716771263 + ... + 716799448.

It is an arithmetic number, because the mean of its divisors is an integer number (2677193304660).

Almost surely, 220203312030123 is an apocalyptic number.

20203312030123 is a deficient number, since it is larger than the sum of its proper divisors (1214234407157).

20203312030123 is a wasteful number, since it uses less digits than its factorization.

20203312030123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1433571557.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 20203312030123 its reverse (32103021330202), we get a palindrome (52306333360325).

The spelling of 20203312030123 in words is "twenty trillion, two hundred three billion, three hundred twelve million, thirty thousand, one hundred twenty-three".

Divisors: 1 17 829 14093 1433570711 24370702087 1188430119419 20203312030123