Search a number
-
+
21424304140301 = 311454347521597
BaseRepresentation
bin1001101111100001111000…
…00010011011000000001101
32210212010212120222112220002
410313300330002123000031
510302003433324442201
6113322104530534045
74340566141324556
oct467607402330015
983763776875802
1021424304140301
11690aaa617a697
1224a0210137325
13bc53c32043ca
14540d2863332d
15272466a6276b
hex137c3c09b00d

21424304140301 has 8 divisors (see below), whose sum is σ = 22116931881984. Its totient is φ = 20731771470960.

The previous prime is 21424304140249. The next prime is 21424304140319. The reversal of 21424304140301 is 10304140342412.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-21424304140301 is a prime.

It is a super-2 number, since 2×214243041403012 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21424304140391) 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, 23309966 + ... + 24211631.

It is an arithmetic number, because the mean of its divisors is an integer number (2764616485248).

Almost surely, 221424304140301 is an apocalyptic number.

It is an amenable number.

21424304140301 is a deficient number, since it is larger than the sum of its proper divisors (692627741683).

21424304140301 is a wasteful number, since it uses less digits than its factorization.

21424304140301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47536171.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 21424304140301 its reverse (10304140342412), we get a palindrome (31728444482713).

The spelling of 21424304140301 in words is "twenty-one trillion, four hundred twenty-four billion, three hundred four million, one hundred forty thousand, three hundred one".

Divisors: 1 31 14543 450833 47521597 1473169507 691106585171 21424304140301