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17253293668 = 2213331794109
BaseRepresentation
bin10000000100011000…
…000101111001100100
31122112102010010111121
4100010120011321210
5240313320344133
611532005543324
71150360401502
oct200430057144
948472103447
1017253293668
117354041996
123416114b44
13181c61a010
14b995b5672
156aea5c02d
hex404605e64

17253293668 has 12 divisors (see below), whose sum is σ = 32515822780. Its totient is φ = 7963058592.

The previous prime is 17253293647. The next prime is 17253293683. The reversal of 17253293668 is 86639235271.

It can be written as a sum of positive squares in 2 ways, for example, as 3263608384 + 13989685284 = 57128^2 + 118278^2 .

It is a super-4 number, since 4×172532936684 (a number of 42 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (52), and also a Moran number because the ratio is a prime number: 331794109 = 17253293668 / (1 + 7 + 2 + 5 + 3 + 2 + 9 + 3 + 6 + 6 + 8).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165897003 + ... + 165897106.

Almost surely, 217253293668 is an apocalyptic number.

It is an amenable number.

17253293668 is a deficient number, since it is larger than the sum of its proper divisors (15262529112).

17253293668 is a wasteful number, since it uses less digits than its factorization.

17253293668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331794126 (or 331794124 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 52.

The spelling of 17253293668 in words is "seventeen billion, two hundred fifty-three million, two hundred ninety-three thousand, six hundred sixty-eight".

Divisors: 1 2 4 13 26 52 331794109 663588218 1327176436 4313323417 8626646834 17253293668