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160490906173 = 13101122232221
BaseRepresentation
bin1001010101111000000…
…0001110001000111101
3120100020212221202200001
42111132000032020331
510112141132444143
6201421205034301
714411054123353
oct2253600161075
9510225852601
10160490906173
1162077a29244
12271300b5991
1312198b89750
147aa6bbd7d3
154294b0b14d
hex255e00e23d

160490906173 has 8 divisors (see below), whose sum is σ = 174547613016. Its totient is φ = 146678664000.

The previous prime is 160490906171. The next prime is 160490906237. The reversal of 160490906173 is 371609094061.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 52616101924 + 107874804249 = 229382^2 + 328443^2 .

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

It is not a de Polignac number, because 160490906173 - 21 = 160490906171 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160490906171) 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 7 ways as a sum of consecutive naturals, for example, 61114798 + ... + 61117423.

It is an arithmetic number, because the mean of its divisors is an integer number (21818451627).

Almost surely, 2160490906173 is an apocalyptic number.

160490906173 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

160490906173 is a deficient number, since it is larger than the sum of its proper divisors (14056706843).

160490906173 is a wasteful number, since it uses less digits than its factorization.

160490906173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122232335.

The product of its (nonzero) digits is 244944, while the sum is 46.

The spelling of 160490906173 in words is "one hundred sixty billion, four hundred ninety million, nine hundred six thousand, one hundred seventy-three".

Divisors: 1 13 101 1313 122232221 1589018873 12345454321 160490906173