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213122002013 = 941906724979
BaseRepresentation
bin1100011001111100001…
…1111010110001011101
3202101002211122110020222
43012133003322301131
511442433213031023
6241523520051125
721253235061434
oct3063703726135
9671084573228
10213122002013
11824258a5568
123537a163aa5
1317135a690cb
14a45ab2811b
155825474cc8
hex319f0fac5d

213122002013 has 8 divisors (see below), whose sum is σ = 213380558880. Its totient is φ = 212863515120.

The previous prime is 213122002003. The next prime is 213122002061. The reversal of 213122002013 is 310200221312.

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 213122002013 - 210 = 213122000989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213122001982 and 213122002000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213122002003) 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, 8519558 + ... + 8544536.

It is an arithmetic number, because the mean of its divisors is an integer number (26672569860).

Almost surely, 2213122002013 is an apocalyptic number.

It is an amenable number.

213122002013 is a deficient number, since it is larger than the sum of its proper divisors (258556867).

213122002013 is an equidigital number, since it uses as much as digits as its factorization.

213122002013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34987.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 213122002013 its reverse (310200221312), we get a palindrome (523322223325).

The spelling of 213122002013 in words is "two hundred thirteen billion, one hundred twenty-two million, two thousand, thirteen".

Divisors: 1 941 9067 24979 8532047 23505239 226484593 213122002013