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213441001397 = 13232113383173
BaseRepresentation
bin1100011011001000010…
…0110011011110110101
3202101221001220022010222
43012302010303132311
511444111344021042
6242015313224125
721264160402001
oct3066204633665
9671831808128
10213441001397
1182579976518
1235448b62045
1317186b89a40
14a48b245701
1558434882d2
hex31b21337b5

213441001397 has 16 divisors (see below), whose sum is σ = 240990250368. Its totient is φ = 187563055680.

The previous prime is 213441001387. The next prime is 213441001453. The reversal of 213441001397 is 793100144312.

It is not a de Polignac number, because 213441001397 - 232 = 209146034101 is a prime.

It is a super-2 number, since 2×2134410013972 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213441001327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1628498 + ... + 1754675.

It is an arithmetic number, because the mean of its divisors is an integer number (15061890648).

Almost surely, 2213441001397 is an apocalyptic number.

It is an amenable number.

213441001397 is a deficient number, since it is larger than the sum of its proper divisors (27549248971).

213441001397 is a wasteful number, since it uses less digits than its factorization.

213441001397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3383420.

The product of its (nonzero) digits is 18144, while the sum is 35.

The spelling of 213441001397 in words is "two hundred thirteen billion, four hundred forty-one million, one thousand, three hundred ninety-seven".

Divisors: 1 13 23 211 299 2743 4853 63089 3383173 43981249 77812979 713849503 1011568727 9280043539 16418538569 213441001397