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17349103920 = 243572287933
BaseRepresentation
bin10000001010000101…
…100101000100110000
31122210002101210110110
4100022011211010300
5241012332311140
611545311301320
71152632643621
oct201205450460
948702353413
1017349103920
1173a3131615
12344221a840
131836424785
14ba81d5a48
156b8185380
hex40a165130

17349103920 has 40 divisors (see below), whose sum is σ = 53782222896. Its totient is φ = 4626427648.

The previous prime is 17349103847. The next prime is 17349103949. The reversal of 17349103920 is 2930194371.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36143727 + ... + 36144206.

Almost surely, 217349103920 is an apocalyptic number.

17349103920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

17349103920 is an abundant number, since it is smaller than the sum of its proper divisors (36433118976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

17349103920 is a wasteful number, since it uses less digits than its factorization.

17349103920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72287949 (or 72287943 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 39.

The spelling of 17349103920 in words is "seventeen billion, three hundred forty-nine million, one hundred three thousand, nine hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 72287933 144575866 216863799 289151732 361439665 433727598 578303464 722879330 867455196 1084318995 1156606928 1445758660 1734910392 2168637990 2891517320 3469820784 4337275980 5783034640 8674551960 17349103920