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171416755420 = 2258570837771
BaseRepresentation
bin1001111110100100111…
…1000001110011011100
3121101110022212102012021
42133221033001303130
510302030142133140
6210425303545524
715245603244301
oct2375117016334
9541408772167
10171416755420
1166774320519
122927b15b2a4
131321a6211c1
148421cab0a8
1546d3deeb4a
hex27e93c1cdc

171416755420 has 12 divisors (see below), whose sum is σ = 359975186424. Its totient is φ = 68566702160.

The previous prime is 171416755417. The next prime is 171416755459. The reversal of 171416755420 is 24557614171.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4285418866 + ... + 4285418905.

It is an arithmetic number, because the mean of its divisors is an integer number (29997932202).

Almost surely, 2171416755420 is an apocalyptic number.

171416755420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

171416755420 is an abundant number, since it is smaller than the sum of its proper divisors (188558431004).

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

171416755420 is a wasteful number, since it uses less digits than its factorization.

171416755420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8570837780 (or 8570837778 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 43.

The spelling of 171416755420 in words is "one hundred seventy-one billion, four hundred sixteen million, seven hundred fifty-five thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 8570837771 17141675542 34283351084 42854188855 85708377710 171416755420