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2421315401 is a prime number
BaseRepresentation
bin1001000001010010…
…0101011101001001
320020202010120022012
42100110211131021
514424324043101
61040133105305
7114000561401
oct22024453511
96222116265
102421315401
11103285110a
12576a88235
132c783ca0b
1418d80b801
15e2886bbb
hex90525749

2421315401 has 2 divisors, whose sum is σ = 2421315402. Its totient is φ = 2421315400.

The previous prime is 2421315383. The next prime is 2421315433. The reversal of 2421315401 is 1045131242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2101764025 + 319551376 = 45845^2 + 17876^2 .

It is a cyclic number.

It is not a de Polignac number, because 2421315401 - 222 = 2417121097 is a prime.

It is a super-3 number, since 3×24213154013 (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (2421315301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210657700 + 1210657701.

It is an arithmetic number, because the mean of its divisors is an integer number (1210657701).

Almost surely, 22421315401 is an apocalyptic number.

It is an amenable number.

2421315401 is a deficient number, since it is larger than the sum of its proper divisors (1).

2421315401 is an equidigital number, since it uses as much as digits as its factorization.

2421315401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 2421315401 is about 49206.8633525853. The cubic root of 2421315401 is about 1342.8178988634.

Adding to 2421315401 its reverse (1045131242), we get a palindrome (3466446643).

The spelling of 2421315401 in words is "two billion, four hundred twenty-one million, three hundred fifteen thousand, four hundred one".