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344240421434243 = 1517297331240841
BaseRepresentation
bin100111001000101011011100…
…0000010010111001110000011
31200010212001200211220121012022
41032101112320002113032003
5330110013340341343433
63220045511052152055
7132336356360161055
oct11621267002271603
91603761624817168
10344240421434243
119a75a5a7630164
123273812476862b
1311a1096a2741a9
14610147a8838d5
1529be73b48b698
hex13915b8097383

344240421434243 has 8 divisors (see below), whose sum is σ = 346524919024416. Its totient is φ = 341955986472000.

The previous prime is 344240421434233. The next prime is 344240421434257. The reversal of 344240421434243 is 342434124042443.

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 344240421434243 - 24 = 344240421434227 is a prime.

It is a super-2 number, since 2×3442404214342432 (a number of 30 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 = 344240421434194 and 344240421434203.

It is not an unprimeable number, because it can be changed into a prime (344240421434233) 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, 4601498 + ... + 26639343.

It is an arithmetic number, because the mean of its divisors is an integer number (43315614878052).

Almost surely, 2344240421434243 is an apocalyptic number.

344240421434243 is a deficient number, since it is larger than the sum of its proper divisors (2284497590173).

344240421434243 is a wasteful number, since it uses less digits than its factorization.

344240421434243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31313965.

The product of its (nonzero) digits is 3538944, while the sum is 44.

Adding to 344240421434243 its reverse (342434124042443), we get a palindrome (686674545476686).

The spelling of 344240421434243 in words is "three hundred forty-four trillion, two hundred forty billion, four hundred twenty-one million, four hundred thirty-four thousand, two hundred forty-three".

Divisors: 1 151 72973 11018923 31240841 4717366991 2279737890293 344240421434243