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344103223221 = 3519543113723
BaseRepresentation
bin1010000000111100010…
…01100111111110110101
31012220012010220220100000
411000132021213332311
521114210411120341
6422025010141513
733601125065142
oct5003611477665
91186163826300
10344103223221
11122a2a33170a
1256833581899
13265ab0044b4
14129246533c9
158e3e50a8b6
hex501e267fb5

344103223221 has 48 divisors (see below), whose sum is σ = 542715031040. Its totient is φ = 217272501360.

The previous prime is 344103223199. The next prime is 344103223249. The reversal of 344103223221 is 122322301443.

344103223221 is a `hidden beast` number, since 3 + 4 + 4 + 10 + 322 + 322 + 1 = 666.

It is not a de Polignac number, because 344103223221 - 218 = 344102961077 is a prime.

It is a super-2 number, since 2×3441032232212 (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344103223271) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25068066 + ... + 25081788.

Almost surely, 2344103223221 is an apocalyptic number.

It is an amenable number.

344103223221 is a deficient number, since it is larger than the sum of its proper divisors (198611807819).

344103223221 is a wasteful number, since it uses less digits than its factorization.

344103223221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19188 (or 19176 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 344103223221 its reverse (122322301443), we get a palindrome (466425524664).

The spelling of 344103223221 in words is "three hundred forty-four billion, one hundred three million, two hundred twenty-three thousand, two hundred twenty-one".

Divisors: 1 3 9 19 27 57 81 171 243 513 1539 4617 5431 13723 16293 41169 48879 103189 123507 146637 260737 309567 370521 439911 782211 928701 1111563 1319733 2346633 2786103 3334689 7039899 8358309 21119697 25074927 63359091 74529613 223588839 670766517 1416062647 2012299551 4248187941 6036898653 12744563823 18110695959 38233691469 114701074407 344103223221