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4381972213 = 23533594727
BaseRepresentation
bin1000001010010111…
…11001011011110101
3102022101110020211011
410011023321123311
532433241102323
62002452512221
7213406102123
oct40513713365
912271406734
104381972213
111949566643
12a2361b671
1354aac0488
142d7d84913
151a9a7720d
hex1052f96f5

4381972213 has 8 divisors (see below), whose sum is σ = 4658767488. Its totient is φ = 4112366544.

The previous prime is 4381972201. The next prime is 4381972219. The reversal of 4381972213 is 3122791834.

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 4381972213 - 29 = 4381971701 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 (4381972219) 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, 1796145 + ... + 1798582.

It is an arithmetic number, because the mean of its divisors is an integer number (582345936).

Almost surely, 24381972213 is an apocalyptic number.

It is an amenable number.

4381972213 is a deficient number, since it is larger than the sum of its proper divisors (276795275).

4381972213 is a wasteful number, since it uses less digits than its factorization.

4381972213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3594803.

The product of its digits is 72576, while the sum is 40.

The square root of 4381972213 is about 66196.4667712711. The cubic root of 4381972213 is about 1636.4015157246.

The spelling of 4381972213 in words is "four billion, three hundred eighty-one million, nine hundred seventy-two thousand, two hundred thirteen".

Divisors: 1 23 53 1219 3594727 82678721 190520531 4381972213