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34021020213 = 3230803122719
BaseRepresentation
bin11111101011110011…
…111001001000110101
310020210222112220010200
4133223303321020311
51024133340121323
623343512311113
72313033620565
oct375363711065
9106728486120
1034021020213
1113478a85034
1267156a2499
1332924663bb
14190a4b0da5
15d41b52443
hex7ebcf9235

34021020213 has 12 divisors (see below), whose sum is σ = 49143469440. Its totient is φ = 22679759016.

The previous prime is 34021020181. The next prime is 34021020233. The reversal of 34021020213 is 31202012043.

It is not a de Polignac number, because 34021020213 - 25 = 34021020181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34021020233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 215868 + ... + 338586.

It is an arithmetic number, because the mean of its divisors is an integer number (4095289120).

Almost surely, 234021020213 is an apocalyptic number.

It is an amenable number.

34021020213 is a deficient number, since it is larger than the sum of its proper divisors (15122449227).

34021020213 is a wasteful number, since it uses less digits than its factorization.

34021020213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153528 (or 153525 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 34021020213 its reverse (31202012043), we get a palindrome (65223032256).

The spelling of 34021020213 in words is "thirty-four billion, twenty-one million, twenty thousand, two hundred thirteen".

Divisors: 1 3 9 30803 92409 122719 277227 368157 1104471 3780113357 11340340071 34021020213