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10401010221 = 3710717332671
BaseRepresentation
bin10011010111111001…
…01101001000101101
3222211212100001201210
421223330231020231
5132300124311341
64440025425033
7515514061650
oct115374551055
928755301653
1010401010221
11445810aa18
12202333b179
13c99ac3824
1470950b897
1540d1c0c16
hex26bf2d22d

10401010221 has 32 divisors (see below), whose sum is σ = 16012505088. Its totient is φ = 5882287680.

The previous prime is 10401010189. The next prime is 10401010259. The reversal of 10401010221 is 12201010401.

It is a happy number.

It is not a de Polignac number, because 10401010221 - 25 = 10401010189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10401010197 and 10401010206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10401012221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3892716 + ... + 3895386.

It is an arithmetic number, because the mean of its divisors is an integer number (500390784).

Almost surely, 210401010221 is an apocalyptic number.

It is an amenable number.

10401010221 is a deficient number, since it is larger than the sum of its proper divisors (5611494867).

10401010221 is a wasteful number, since it uses less digits than its factorization.

10401010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4521.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 10401010221 its reverse (12201010401), we get a palindrome (22602020622).

The spelling of 10401010221 in words is "ten billion, four hundred one million, ten thousand, two hundred twenty-one".

Divisors: 1 3 7 21 107 321 749 1733 2247 2671 5199 8013 12131 18697 36393 56091 185431 285797 556293 857391 1298017 2000579 3894051 4628843 6001737 13886529 32401901 97205703 495286201 1485858603 3467003407 10401010221