Search a number
-
+
21024343141031 = 233112939234327
BaseRepresentation
bin1001100011111000111001…
…00000010010101010100111
32202102220111121210121211202
410301330130200102222213
510223430323321003111
6112414241102353115
74266646552040366
oct461743440225247
982386447717752
1021024343141031
1167764126660aa
1224367a9b8b79b
13b9678299cb29
145298257037dd
15266d587beb3b
hex131f1c812aa7

21024343141031 has 8 divisors (see below), whose sum is σ = 22008986648064. Its totient is φ = 20045578103320.

The previous prime is 21024343141019. The next prime is 21024343141033. The reversal of 21024343141031 is 13014134342012.

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 21024343141031 - 214 = 21024343124647 is a prime.

It is a super-2 number, since 2×210243431410312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21024343140985 and 21024343141003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21024343141033) 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, 1469610011 + ... + 1469624316.

It is an arithmetic number, because the mean of its divisors is an integer number (2751123331008).

Almost surely, 221024343141031 is an apocalyptic number.

21024343141031 is a deficient number, since it is larger than the sum of its proper divisors (984643507033).

21024343141031 is a wasteful number, since it uses less digits than its factorization.

21024343141031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2939234661.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 21024343141031 its reverse (13014134342012), we get a palindrome (34038477483043).

The spelling of 21024343141031 in words is "twenty-one trillion, twenty-four billion, three hundred forty-three million, one hundred forty-one thousand, thirty-one".

Divisors: 1 23 311 7153 2939234327 67602389521 914101875697 21024343141031