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3213022103221 = 72336631964381
BaseRepresentation
bin101110110000010111000…
…010101000011010110101
3102101011101000221100022211
4232300113002220122311
5410120232124300341
610500013022253421
7451063453154440
oct56602702503265
912334330840284
103213022103221
1110296a9239857
1243a856727271
131a3ca998c5a8
14b1722658657
15588a1034181
hex2ec170a86b5

3213022103221 has 8 divisors (see below), whose sum is σ = 3672042845184. Its totient is φ = 2754005757360.

The previous prime is 3213022103167. The next prime is 3213022103237. The reversal of 3213022103221 is 1223012203123.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3213022103221 is a prime.

It is a super-2 number, since 2×32130221032212 (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3213022103192 and 3213022103201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3213022203221) 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, 653451 + ... + 2617831.

It is an arithmetic number, because the mean of its divisors is an integer number (459005355648).

Almost surely, 23213022103221 is an apocalyptic number.

It is an amenable number.

3213022103221 is a deficient number, since it is larger than the sum of its proper divisors (459020741963).

3213022103221 is a wasteful number, since it uses less digits than its factorization.

3213022103221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2198051.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 3213022103221 its reverse (1223012203123), we get a palindrome (4436034306344).

The spelling of 3213022103221 in words is "three trillion, two hundred thirteen billion, twenty-two million, one hundred three thousand, two hundred twenty-one".

Divisors: 1 7 233663 1635641 1964381 13750667 459003157603 3213022103221