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17793893925389 = 254930832264267
BaseRepresentation
bin1000000101110111101101…
…01110100000001000001101
32100000002011001200020111202
410002323312232200020031
54313013343321103024
6101502222500355245
73514365164545661
oct402736656401015
970002131606452
1017793893925389
1157403912648aa
121bb46ab0a5b25
139c0c596a4cca
1445732c7888a1
1520ccd7846bae
hex102ef6ba020d

17793893925389 has 8 divisors (see below), whose sum is σ = 17806656405600. Its totient is φ = 17781135984976.

The previous prime is 17793893925337. The next prime is 17793893925403. The reversal of 17793893925389 is 98352939839771.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-17793893925389 is a prime.

It is a super-2 number, since 2×177938939253892 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17793893925319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6726434 + ... + 8990700.

It is an arithmetic number, because the mean of its divisors is an integer number (2225832050700).

Almost surely, 217793893925389 is an apocalyptic number.

It is an amenable number.

17793893925389 is a deficient number, since it is larger than the sum of its proper divisors (12762480211).

17793893925389 is a wasteful number, since it uses less digits than its factorization.

17793893925389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2269899.

The product of its digits is 5555329920, while the sum is 83.

The spelling of 17793893925389 in words is "seventeen trillion, seven hundred ninety-three billion, eight hundred ninety-three million, nine hundred twenty-five thousand, three hundred eighty-nine".

Divisors: 1 2549 3083 2264267 7858567 5771616583 6980735161 17793893925389