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4132172081 = 73161934963
BaseRepresentation
bin1111011001001011…
…1111000100110001
3101122222102002110102
43312102333010301
531430314001311
61522010442145
7204253611632
oct36622770461
911588362412
104132172081
11183055a054
12973a33355
1350b11aa4b
142b2b1b889
15192b8243b
hexf64bf131

4132172081 has 8 divisors (see below), whose sum is σ = 4191484320. Its totient is φ = 4072933152.

The previous prime is 4132172053. The next prime is 4132172101. The reversal of 4132172081 is 1802712314.

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 4132172081 - 26 = 4132172017 is a prime.

It is a super-2 number, since 2×41321720812 = 34149692213991741122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4132172021) 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, 100706 + ... + 135668.

It is an arithmetic number, because the mean of its divisors is an integer number (523935540).

Almost surely, 24132172081 is an apocalyptic number.

It is an amenable number.

4132172081 is a deficient number, since it is larger than the sum of its proper divisors (59312239).

4132172081 is a wasteful number, since it uses less digits than its factorization.

4132172081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36655.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 4132172081 is about 64281.9732195582. The cubic root of 4132172081 is about 1604.6961094924.

Adding to 4132172081 its reverse (1802712314), we get a palindrome (5934884395).

The spelling of 4132172081 in words is "four billion, one hundred thirty-two million, one hundred seventy-two thousand, eighty-one".

Divisors: 1 73 1619 34963 118187 2552299 56605097 4132172081