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164500493471 = 1937233997857
BaseRepresentation
bin1001100100110011111…
…1100101010010011111
3120201121022200220102022
42121030333211102133
510143344111242341
6203323120250355
714612322060266
oct2311477452237
9521538626368
10164500493471
1163845270556
1227a6aa709bb
1312687786c02
147d6750b5dd
15442bb26e4b
hex264cfe549f

164500493471 has 8 divisors (see below), whose sum is σ = 177838372080. Its totient is φ = 151630610688.

The previous prime is 164500493449. The next prime is 164500493477. The reversal of 164500493471 is 174394005461.

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 164500493471 - 230 = 163426751647 is a prime.

It is a super-3 number, since 3×1645004934713 (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164500493477) 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, 116998226 + ... + 116999631.

It is an arithmetic number, because the mean of its divisors is an integer number (22229796510).

Almost surely, 2164500493471 is an apocalyptic number.

164500493471 is a deficient number, since it is larger than the sum of its proper divisors (13337878609).

164500493471 is a wasteful number, since it uses less digits than its factorization.

164500493471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233997913.

The product of its (nonzero) digits is 362880, while the sum is 44.

The spelling of 164500493471 in words is "one hundred sixty-four billion, five hundred million, four hundred ninety-three thousand, four hundred seventy-one".

Divisors: 1 19 37 703 233997857 4445959283 8657920709 164500493471