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42817324181 = 591375297207
BaseRepresentation
bin100111111000000111…
…001000010010010101
311002112000100102201112
4213320013020102111
51200142213333211
631400415504405
73044024151632
oct477007102225
9132460312645
1042817324181
1117182299435
12836b528105
134064966ca8
142102821189
1511a8ee488b
hex9f81c8495

42817324181 has 8 divisors (see below), whose sum is σ = 43860882240. Its totient is φ = 41784360928.

The previous prime is 42817324169. The next prime is 42817324229. The reversal of 42817324181 is 18142371824.

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

It is a cyclic number.

It is not a de Polignac number, because 42817324181 - 226 = 42750215317 is a prime.

It is a super-2 number, since 2×428173241812 (a number of 22 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 (42817324111) 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, 2640521 + ... + 2656686.

It is an arithmetic number, because the mean of its divisors is an integer number (5482610280).

Almost surely, 242817324181 is an apocalyptic number.

It is an amenable number.

42817324181 is a deficient number, since it is larger than the sum of its proper divisors (1043558059).

42817324181 is a wasteful number, since it uses less digits than its factorization.

42817324181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5297403.

The product of its digits is 86016, while the sum is 41.

The spelling of 42817324181 in words is "forty-two billion, eight hundred seventeen million, three hundred twenty-four thousand, one hundred eighty-one".

Divisors: 1 59 137 8083 5297207 312535213 725717359 42817324181