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2055158143969 = 73188718235857
BaseRepresentation
bin11101111010000000111…
…110001001101111100001
321021110201111121212220011
4131322000332021233201
5232132430441101334
64212043203244521
7301323506664310
oct35720076115741
97243644555804
102055158143969
11722651215837
12292378379741
1311ba53b53698
147168228a277
15386d5616564
hex1de80f89be1

2055158143969 has 32 divisors (see below), whose sum is σ = 2428997861376. Its totient is φ = 1701592911360.

The previous prime is 2055158143933. The next prime is 2055158143981. The reversal of 2055158143969 is 9693418515502.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2055158143969 - 213 = 2055158135777 is a prime.

It is a super-2 number, since 2×20551581439692 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2055158143669) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 350886289 + ... + 350892145.

It is an arithmetic number, because the mean of its divisors is an integer number (75906183168).

Almost surely, 22055158143969 is an apocalyptic number.

It is an amenable number.

2055158143969 is a deficient number, since it is larger than the sum of its proper divisors (373839717407).

2055158143969 is a wasteful number, since it uses less digits than its factorization.

2055158143969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8605.

The product of its (nonzero) digits is 11664000, while the sum is 58.

The spelling of 2055158143969 in words is "two trillion, fifty-five billion, one hundred fifty-eight million, one hundred forty-three thousand, nine hundred sixty-nine".

Divisors: 1 7 31 217 887 1823 5857 6209 12761 27497 40999 56513 181567 192479 395591 1270969 1617001 5195159 10677311 11319007 36366113 50127031 74741177 161049929 330996641 350889217 1127349503 2316976487 9470774857 66295423999 293594020567 2055158143969