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3997271173 = 72919690991
BaseRepresentation
bin1110111001000001…
…1000010010000101
3101022120120102012111
43232100120102011
531141300134143
61500351221021
7201025146550
oct35620302205
911276512174
103997271173
11177139aaa5
12936817771
134b91a761c
1429cc43697
15185dd699d
hexee418485

3997271173 has 8 divisors (see below), whose sum is σ = 4725838080. Its totient is φ = 3308086320.

The previous prime is 3997271171. The next prime is 3997271189. The reversal of 3997271173 is 3711727993.

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

It is not a de Polignac number, because 3997271173 - 21 = 3997271171 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 (3997271171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9845293 + ... + 9845698.

It is an arithmetic number, because the mean of its divisors is an integer number (590729760).

Almost surely, 23997271173 is an apocalyptic number.

It is an amenable number.

3997271173 is a deficient number, since it is larger than the sum of its proper divisors (728566907).

3997271173 is a wasteful number, since it uses less digits than its factorization.

3997271173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19691027.

The product of its digits is 500094, while the sum is 49.

The square root of 3997271173 is about 63223.9762511027. The cubic root of 3997271173 is about 1587.0399912789.

The spelling of 3997271173 in words is "three billion, nine hundred ninety-seven million, two hundred seventy-one thousand, one hundred seventy-three".

Divisors: 1 7 29 203 19690991 137836937 571038739 3997271173