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171042424448 = 277190895563
BaseRepresentation
bin1001111101001011101…
…1000100011010000000
3121100111020111102122012
42133102323010122000
510300243330040243
6210324212432052
715233406422330
oct2372273043200
9540436442565
10171042424448
11665a1a98085
1229195918628
131318abc949c
1483c82a90c0
1546b110bd18
hex27d2ec4680

171042424448 has 32 divisors (see below), whose sum is σ = 389426950560. Its totient is φ = 73303895808.

The previous prime is 171042424447. The next prime is 171042424471. The reversal of 171042424448 is 844424240171.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×1710424244482 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (171042424447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95446886 + ... + 95448677.

It is an arithmetic number, because the mean of its divisors is an integer number (12169592205).

Almost surely, 2171042424448 is an apocalyptic number.

It is an amenable number.

171042424448 is an abundant number, since it is smaller than the sum of its proper divisors (218384526112).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

171042424448 is an equidigital number, since it uses as much as digits as its factorization.

171042424448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190895584 (or 190895572 counting only the distinct ones).

The product of its (nonzero) digits is 229376, while the sum is 41.

The spelling of 171042424448 in words is "one hundred seventy-one billion, forty-two million, four hundred twenty-four thousand, four hundred forty-eight".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 128 224 448 896 190895563 381791126 763582252 1336268941 1527164504 2672537882 3054329008 5345075764 6108658016 10690151528 12217316032 21380303056 24434632064 42760606112 85521212224 171042424448