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3973182881 = 79710934561
BaseRepresentation
bin1110110011010001…
…1111010110100001
3101020220020121021112
43230310133112201
531114113323011
61454131033105
7200313332363
oct35464372641
911226217245
103973182881
111759838118
1292a73b795
134b41c23b5
14299972d33
15183c2958b
hexecd1f5a1

3973182881 has 8 divisors (see below), whose sum is σ = 3982680744. Its totient is φ = 3963697920.

The previous prime is 3973182839. The next prime is 3973182887. The reversal of 3973182881 is 1882813793.

3973182881 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1390917025 + 2582265856 = 37295^2 + 50816^2 .

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 3973182881 - 218 = 3972920737 is a prime.

It is a super-2 number, since 2×39731828812 = 31572364411742920322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3973182887) 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, 868841 + ... + 873401.

It is an arithmetic number, because the mean of its divisors is an integer number (497835093).

Almost surely, 23973182881 is an apocalyptic number.

It is an amenable number.

3973182881 is a deficient number, since it is larger than the sum of its proper divisors (9497863).

3973182881 is a wasteful number, since it uses less digits than its factorization.

3973182881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6451.

The product of its digits is 580608, while the sum is 50.

The square root of 3973182881 is about 63033.1887262575. The cubic root of 3973182881 is about 1583.8456343434.

The spelling of 3973182881 in words is "three billion, nine hundred seventy-three million, one hundred eighty-two thousand, eight hundred eighty-one".

Divisors: 1 797 1093 4561 871121 3635117 4985173 3973182881