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31422422412 = 22325693153319
BaseRepresentation
bin11101010000111011…
…000001110110001100
310000002212211110002200
4131100323001312030
51003323120004122
622234003321500
72161451116653
oct352073016614
9100085743080
1031422422412
1112365158047
12610b380290
132c69c94774
14174131619a
15c3d94c5ac
hex750ec1d8c

31422422412 has 36 divisors (see below), whose sum is σ = 79443371280. Its totient is φ = 10472232672.

The previous prime is 31422422377. The next prime is 31422422459. The reversal of 31422422412 is 21422422413.

It is a happy number.

31422422412 is a `hidden beast` number, since 3 + 1 + 4 + 2 + 242 + 2 + 412 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 128289 + ... + 281607.

Almost surely, 231422422412 is an apocalyptic number.

It is an amenable number.

31422422412 is an abundant number, since it is smaller than the sum of its proper divisors (48020948868).

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

31422422412 is a wasteful number, since it uses less digits than its factorization.

31422422412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159022 (or 159017 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

Adding to 31422422412 its reverse (21422422413), we get a palindrome (52844844825).

Subtracting from 31422422412 its reverse (21422422413), we obtain a palindrome (9999999999).

The spelling of 31422422412 in words is "thirty-one billion, four hundred twenty-two million, four hundred twenty-two thousand, four hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 36 5693 11386 17079 22772 34158 51237 68316 102474 153319 204948 306638 459957 613276 919914 1379871 1839828 2759742 5519484 872845067 1745690134 2618535201 3491380268 5237070402 7855605603 10474140804 15711211206 31422422412