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10201231422 = 233613096913
BaseRepresentation
bin10011000000000101…
…00111000000111110
3222022221102020202000
421200002213000332
5131343003401142
64404131443130
7510540015324
oct114002470076
928287366660
1010201231422
114365369178
121b884564a6
13c675b6115
146cab85d14
153ea8ac14c
hex2600a703e

10201231422 has 32 divisors (see below), whose sum is σ = 23041040160. Its totient is φ = 3344664960.

The previous prime is 10201231421. The next prime is 10201231441. The reversal of 10201231422 is 22413210201.

It is a happy number.

10201231422 is a `hidden beast` number, since 10 + 2 + 0 + 1 + 231 + 422 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 10201231395 and 10201231404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10201231421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1545163 + ... + 1551750.

It is an arithmetic number, because the mean of its divisors is an integer number (720032505).

Almost surely, 210201231422 is an apocalyptic number.

10201231422 is an abundant number, since it is smaller than the sum of its proper divisors (12839808738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10201231422 is a wasteful number, since it uses less digits than its factorization.

10201231422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3096985 (or 3096979 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 10201231422 its reverse (22413210201), we get a palindrome (32614441623).

The spelling of 10201231422 in words is "ten billion, two hundred one million, two hundred thirty-one thousand, four hundred twenty-two".

Divisors: 1 2 3 6 9 18 27 54 61 122 183 366 549 1098 1647 3294 3096913 6193826 9290739 18581478 27872217 55744434 83616651 167233302 188911693 377823386 566735079 1133470158 1700205237 3400410474 5100615711 10201231422