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168112357213874 = 284056178606937
BaseRepresentation
bin100110001110010110110101…
…010101011000011010110010
3211001020101101020000022000212
4212032112311111120122302
5134013323101421320444
61353313430054144122
750260500633643313
oct4616266525303262
9731211336008025
10168112357213874
1149625060a70267
1216a31374352042
1372a5c09270398
142d7297809060a
151467ec530419e
hex98e5b55586b2

168112357213874 has 4 divisors (see below), whose sum is σ = 252168535820814. Its totient is φ = 84056178606936.

The previous prime is 168112357213861. The next prime is 168112357213877. The reversal of 168112357213874 is 478312753211861.

168112357213874 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 133381549122649 + 34730808091225 = 11549093^2 + 5893285^2 .

It is not an unprimeable number, because it can be changed into a prime (168112357213877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42028089303467 + ... + 42028089303470.

Almost surely, 2168112357213874 is an apocalyptic number.

168112357213874 is a deficient number, since it is larger than the sum of its proper divisors (84056178606940).

168112357213874 is an equidigital number, since it uses as much as digits as its factorization.

168112357213874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84056178606939.

The product of its digits is 13547520, while the sum is 59.

The spelling of 168112357213874 in words is "one hundred sixty-eight trillion, one hundred twelve billion, three hundred fifty-seven million, two hundred thirteen thousand, eight hundred seventy-four".

Divisors: 1 2 84056178606937 168112357213874