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20434214213 = 714472017397
BaseRepresentation
bin10011000001111110…
…010101110101000101
31221202002120122011122
4103001332111311011
5313322124323323
613215400043325
71322243645360
oct230176256505
957662518148
1020434214213
118736643646
123b63463545
131c0863841a
14dbbc350d7
157e8e3bec8
hex4c1f95d45

20434214213 has 8 divisors (see below), whose sum is σ = 23369538432. Its totient is φ = 17502927696.

The previous prime is 20434214201. The next prime is 20434214249. The reversal of 20434214213 is 31241243402.

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 20434214213 - 24 = 20434214197 is a prime.

It is a super-2 number, since 2×204342142132 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20434214263) 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, 998570 + ... + 1018827.

It is an arithmetic number, because the mean of its divisors is an integer number (2921192304).

Almost surely, 220434214213 is an apocalyptic number.

It is an amenable number.

20434214213 is a deficient number, since it is larger than the sum of its proper divisors (2935324219).

20434214213 is a wasteful number, since it uses less digits than its factorization.

20434214213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2018851.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 20434214213 its reverse (31241243402), we get a palindrome (51675457615).

The spelling of 20434214213 in words is "twenty billion, four hundred thirty-four million, two hundred fourteen thousand, two hundred thirteen".

Divisors: 1 7 1447 10129 2017397 14121779 2919173459 20434214213