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10221020032213 = 449174971301021
BaseRepresentation
bin1001010010111100010001…
…0001001010110011010101
31100012010020110102012201101
42110233010101022303111
52314430122112012323
633423245523230101
72103305255541124
oct224570421126325
940163213365641
1010221020032213
11329078a38a571
121190a9ab18331
13591ab8284483
142749b2b79abb
1512ad1396edad
hex94bc444acd5

10221020032213 has 8 divisors (see below), whose sum is σ = 10244377330200. Its totient is φ = 10197665372160.

The previous prime is 10221020032187. The next prime is 10221020032219. The reversal of 10221020032213 is 31223002012201.

It can be written as a sum of positive squares in 4 ways, for example, as 670305713284 + 9550714318929 = 818722^2 + 3090423^2 .

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-10221020032213 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 (10221020032219) 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, 7205643 + ... + 8506663.

It is an arithmetic number, because the mean of its divisors is an integer number (1280547166275).

Almost surely, 210221020032213 is an apocalyptic number.

It is an amenable number.

10221020032213 is a deficient number, since it is larger than the sum of its proper divisors (23357297987).

10221020032213 is a wasteful number, since it uses less digits than its factorization.

10221020032213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1318967.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 10221020032213 its reverse (31223002012201), we get a palindrome (41444022044414).

The spelling of 10221020032213 in words is "ten trillion, two hundred twenty-one billion, twenty million, thirty-two thousand, two hundred thirteen".

Divisors: 1 449 17497 1301021 7856153 584158429 22763964437 10221020032213