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17145044480 = 2956697283
BaseRepresentation
bin11111111011110110…
…01001111000000000
31122020212102111112102
433331323021320000
5240103112410410
611513141445532
71144604321264
oct177573117000
948225374472
1017145044480
1172a8a26753
1233a5a108a8
131803078845
14b890780a4
156a52c82a5
hex3fdec9e00

17145044480 has 40 divisors (see below), whose sum is σ = 41107929192. Its totient is φ = 6858016768.

The previous prime is 17145044473. The next prime is 17145044509. The reversal of 17145044480 is 8444054171.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3346082 + ... + 3351201.

Almost surely, 217145044480 is an apocalyptic number.

17145044480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

17145044480 is an abundant number, since it is smaller than the sum of its proper divisors (23962884712).

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

17145044480 is an frugal number, since it uses more digits than its factorization.

17145044480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6697306 (or 6697290 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 38.

The spelling of 17145044480 in words is "seventeen billion, one hundred forty-five million, forty-four thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 512 640 1280 2560 6697283 13394566 26789132 33486415 53578264 66972830 107156528 133945660 214313056 267891320 428626112 535782640 857252224 1071565280 1714504448 2143130560 3429008896 4286261120 8572522240 17145044480