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168708622441 = 1572115092783
BaseRepresentation
bin1001110100011111010…
…0010100100001101001
3121010110121001000010211
42131013310110201221
510231003401404231
6205300443141121
715121520426002
oct2350764244151
9533417030124
10168708622441
116560468a097
12288442147a1
1312ba854a958
14824635c1a9
1545c62aeeb1
hex2747d14869

168708622441 has 8 divisors (see below), whose sum is σ = 170587892864. Its totient is φ = 166839538320.

The previous prime is 168708622403. The next prime is 168708622471. The reversal of 168708622441 is 144226807861.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 168708622441 - 229 = 168171751529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168708622471) 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, 2513265 + ... + 2579518.

It is an arithmetic number, because the mean of its divisors is an integer number (21323486608).

Almost surely, 2168708622441 is an apocalyptic number.

It is an amenable number.

168708622441 is a deficient number, since it is larger than the sum of its proper divisors (1879270423).

168708622441 is a wasteful number, since it uses less digits than its factorization.

168708622441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5093151.

The product of its (nonzero) digits is 1032192, while the sum is 49.

The spelling of 168708622441 in words is "one hundred sixty-eight billion, seven hundred eight million, six hundred twenty-two thousand, four hundred forty-one".

Divisors: 1 157 211 33127 5092783 799566931 1074577213 168708622441