Search a number
-
+
20102222002112 = 2610313123278531
BaseRepresentation
bin1001001001000011010011…
…10011010011011111000000
32122011202100102012020202222
410210201221303103133000
510113323322313031422
6110430455554230212
74143223541504435
oct444415163233700
978152312166688
1020102222002112
116450339290218
122307b41585368
13b2a829259613
144d6d4a445b8c
1524cd891d6842
hex124869cd37c0

20102222002112 has 56 divisors (see below), whose sum is σ = 40585096286592. Its totient is φ = 9877545849600.

The previous prime is 20102222002103. The next prime is 20102222002117. The reversal of 20102222002112 is 21120022220102.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20102222002117) 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, 10775714 + ... + 12502817.

Almost surely, 220102222002112 is an apocalyptic number.

It is an amenable number.

20102222002112 is an abundant number, since it is smaller than the sum of its proper divisors (20482874284480).

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

20102222002112 is a wasteful number, since it uses less digits than its factorization.

20102222002112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23278777 (or 23278767 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20102222002112 its reverse (21120022220102), we get a palindrome (41222244222214).

The spelling of 20102222002112 in words is "twenty trillion, one hundred two billion, two hundred twenty-two million, two thousand, one hundred twelve".

Divisors: 1 2 4 8 16 32 64 103 131 206 262 412 524 824 1048 1648 2096 3296 4192 6592 8384 13493 26986 53972 107944 215888 431776 863552 23278531 46557062 93114124 186228248 372456496 744912992 1489825984 2397688693 3049487561 4795377386 6098975122 9590754772 12197950244 19181509544 24395900488 38363019088 48791800976 76726038176 97583601952 153452076352 195167203904 314097218783 628194437566 1256388875132 2512777750264 5025555500528 10051111001056 20102222002112