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168852424258861 = 753455127828191
BaseRepresentation
bin100110011001001000000100…
…110001000111010100101101
3211010212010121202201110200221
4212121020010301013110231
5134112434231102240421
61355041422143251341
750365120324016140
oct4631100461072455
9733763552643627
10168852424258861
114988aa0257a882
1216b308932a9b51
13732a93b635365
142d9a702816057
15147c38bbd8841
hex999204c4752d

168852424258861 has 8 divisors (see below), whose sum is σ = 196615221778944. Its totient is φ = 141999882395280.

The previous prime is 168852424258823. The next prime is 168852424258907.

168852424258861 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 168852424258861 - 219 = 168852423734573 is a prime.

It is a super-2 number, since 2×1688524242588612 (a number of 29 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 (168852424258261) 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, 227563913725 + ... + 227563914466.

It is an arithmetic number, because the mean of its divisors is an integer number (24576902722368).

Almost surely, 2168852424258861 is an apocalyptic number.

It is an amenable number.

168852424258861 is a deficient number, since it is larger than the sum of its proper divisors (27762797520083).

168852424258861 is an equidigital number, since it uses as much as digits as its factorization.

168852424258861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455127828251.

The product of its digits is 471859200, while the sum is 70.

The spelling of 168852424258861 in words is "one hundred sixty-eight trillion, eight hundred fifty-two billion, four hundred twenty-four million, two hundred fifty-eight thousand, eight hundred sixty-one".

Divisors: 1 7 53 371 455127828191 3185894797337 24121774894123 168852424258861