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349097917609 = 7197138039721
BaseRepresentation
bin1010001010001111101…
…10110111110010101001
31020101002020022122222001
411011013312313302221
521204423031330414
6424212351531001
734135654224310
oct5050766676251
91211066278861
10349097917609
11125062745511
12577a8229a61
1326bc5a2616c
1412c79b33277
159132c65074
hex5147db7ca9

349097917609 has 32 divisors (see below), whose sum is σ = 426038261760. Its totient is φ = 279383126400.

The previous prime is 349097917559. The next prime is 349097917631. The reversal of 349097917609 is 906719790943.

It is not a de Polignac number, because 349097917609 - 217 = 349097786537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (349097914609) 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, 35906869 + ... + 35916589.

It is an arithmetic number, because the mean of its divisors is an integer number (13313695680).

Almost surely, 2349097917609 is an apocalyptic number.

It is an amenable number.

349097917609 is a deficient number, since it is larger than the sum of its proper divisors (76940344151).

349097917609 is a wasteful number, since it uses less digits than its factorization.

349097917609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13621.

The product of its (nonzero) digits is 23147208, while the sum is 64.

The spelling of 349097917609 in words is "three hundred forty-nine billion, ninety-seven million, nine hundred seventeen thousand, six hundred nine".

Divisors: 1 7 19 71 133 497 1349 3803 9443 9721 26621 68047 72257 184699 270013 505799 690191 1292893 1890091 4831337 5130247 13113629 35911729 36968963 91795403 258782741 702410297 2624796373 4916872079 18373574611 49871131087 349097917609