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420023121301 = 760003303043
BaseRepresentation
bin1100001110010110101…
…01000011010110010101
31111011011010121022201001
412013023111003112111
523340201404340201
6520542253103301
742226364423650
oct6071325032625
91434133538631
10420023121301
11152149113833
12694a0a87b31
13307b9a50004
1416487586897
15add46d0301
hex61cb543595

420023121301 has 4 divisors (see below), whose sum is σ = 480026424352. Its totient is φ = 360019818252.

The previous prime is 420023121299. The next prime is 420023121313. The reversal of 420023121301 is 103121320024.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 420023121301 - 21 = 420023121299 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420023121391) 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 3 ways as a sum of consecutive naturals, for example, 30001651515 + ... + 30001651528.

It is an arithmetic number, because the mean of its divisors is an integer number (120006606088).

Almost surely, 2420023121301 is an apocalyptic number.

It is an amenable number.

420023121301 is a deficient number, since it is larger than the sum of its proper divisors (60003303051).

420023121301 is an equidigital number, since it uses as much as digits as its factorization.

420023121301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60003303050.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 420023121301 its reverse (103121320024), we get a palindrome (523144441325).

The spelling of 420023121301 in words is "four hundred twenty billion, twenty-three million, one hundred twenty-one thousand, three hundred one".

Divisors: 1 7 60003303043 420023121301