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344123021449 = 197111317313049
BaseRepresentation
bin1010000000111110101…
…01001001100010001001
31012220020112011202101201
411000133111021202021
521114230443141244
6422030554344201
733601455264004
oct5003725114211
91186215152351
10344123021449
11122a3a524389
125683a12b061
13265b2146b1c
141292712853b
158e4111bad4
hex501f549889

344123021449 has 32 divisors (see below), whose sum is σ = 372758112000. Its totient is φ = 316709406720.

The previous prime is 344123021423. The next prime is 344123021453. The reversal of 344123021449 is 944120321443.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-344123021449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (344123021479) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26365077 + ... + 26378125.

It is an arithmetic number, because the mean of its divisors is an integer number (11648691000).

Almost surely, 2344123021449 is an apocalyptic number.

It is an amenable number.

344123021449 is a deficient number, since it is larger than the sum of its proper divisors (28635090551).

344123021449 is a wasteful number, since it uses less digits than its factorization.

344123021449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13425.

The product of its (nonzero) digits is 82944, while the sum is 37.

The spelling of 344123021449 in words is "three hundred forty-four billion, one hundred twenty-three million, twenty-one thousand, four hundred forty-nine".

Divisors: 1 19 71 113 173 1349 2147 3287 8023 12283 13049 19549 152437 233377 247931 371431 926479 1387979 1474537 2257477 17603101 26371601 28016203 42892063 104692127 160280867 255094901 1989150413 3045336473 4846803119 18111737971 344123021449