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20230421313 = 310357651103
BaseRepresentation
bin10010110101110100…
…111011101101000001
31221012220002212212110
4102311310323231001
5312412441440223
613143240045533
71314220513104
oct226564735501
957186085773
1020230421313
1186415aaa63
123b071638a9
131ba53538cb
14d9cb4673b
157d60d3d93
hex4b5d3bb41

20230421313 has 8 divisors (see below), whose sum is σ = 26976540928. Its totient is φ = 13485624624.

The previous prime is 20230421303. The next prime is 20230421317. The reversal of 20230421313 is 31312403202.

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

It is not a de Polignac number, because 20230421313 - 24 = 20230421297 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20230421313.

It is not an unprimeable number, because it can be changed into a prime (20230421317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294481 + ... + 356622.

It is an arithmetic number, because the mean of its divisors is an integer number (3372067616).

Almost surely, 220230421313 is an apocalyptic number.

It is an amenable number.

20230421313 is a deficient number, since it is larger than the sum of its proper divisors (6746119615).

20230421313 is a wasteful number, since it uses less digits than its factorization.

20230421313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661463.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20230421313 its reverse (31312403202), we get a palindrome (51542824515).

The spelling of 20230421313 in words is "twenty billion, two hundred thirty million, four hundred twenty-one thousand, three hundred thirteen".

Divisors: 1 3 10357 31071 651103 1953309 6743473771 20230421313