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4101661231 = 231131578169
BaseRepresentation
bin1111010001111010…
…0110001000101111
3101120211222222102221
43310132212020233
531400011124411
61515000500211
7203433355003
oct36436461057
911524888387
104101661231
11181530a878
1296577a667
135049c73a5
142aca58703
15190157071
hexf47a622f

4101661231 has 8 divisors (see below), whose sum is σ = 4317873120. Its totient is φ = 3888605952.

The previous prime is 4101661219. The next prime is 4101661241. The reversal of 4101661231 is 1321661014.

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

It is not a de Polignac number, because 4101661231 - 229 = 3564790319 is a prime.

It is a super-2 number, since 2×41016612312 = 33647249707776870722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4101661196 and 4101661205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4101661241) 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, 786486 + ... + 791683.

It is an arithmetic number, because the mean of its divisors is an integer number (539734140).

Almost surely, 24101661231 is an apocalyptic number.

4101661231 is a deficient number, since it is larger than the sum of its proper divisors (216211889).

4101661231 is a wasteful number, since it uses less digits than its factorization.

4101661231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1578305.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 4101661231 is about 64044.2130953297. The cubic root of 4101661231 is about 1600.7368001045.

The spelling of 4101661231 in words is "four billion, one hundred one million, six hundred sixty-one thousand, two hundred thirty-one".

Divisors: 1 23 113 2599 1578169 36297887 178333097 4101661231