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213004121141 = 7109439163577
BaseRepresentation
bin1100011001100000001…
…0001111010000110101
3202100210121211111002202
43012120002033100311
511442213023334031
6241504105314245
721250304104430
oct3063002172065
9670717744082
10213004121141
1182375300959
1235346795985
1317117504906
14a449200817
155819e3c2cb
hex319808f435

213004121141 has 16 divisors (see below), whose sum is σ = 245726426880. Its totient is φ = 180855918720.

The previous prime is 213004121131. The next prime is 213004121149. The reversal of 213004121141 is 141121400312.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-213004121141 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 (213004121149) 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, 3318545 + ... + 3382121.

It is an arithmetic number, because the mean of its divisors is an integer number (15357901680).

Almost surely, 2213004121141 is an apocalyptic number.

It is an amenable number.

213004121141 is a deficient number, since it is larger than the sum of its proper divisors (32722305739).

213004121141 is a wasteful number, since it uses less digits than its factorization.

213004121141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68084.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 213004121141 its reverse (141121400312), we get a palindrome (354125521453).

The spelling of 213004121141 in words is "two hundred thirteen billion, four million, one hundred twenty-one thousand, one hundred forty-one".

Divisors: 1 7 109 763 4391 30737 63577 445039 478619 3350333 6929893 48509251 279166607 1954166249 30429160163 213004121141