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20310144062112 = 2533711512192623
BaseRepresentation
bin1001001111000110100101…
…11011000001001010100000
32122220122000212020021121000
410213203102323001022200
510130230133334441422
6111110203521432000
74164234206035332
oct447432273011240
978818025207530
1020310144062112
116520535925343
1223402aa19b600
13b44313900058
14503032703452
152534a7daccac
hex1278d2ec12a0

20310144062112 has 192 divisors, whose sum is σ = 60470114181120. Its totient is φ = 6630488928000.

The previous prime is 20310144062063. The next prime is 20310144062161. The reversal of 20310144062112 is 21126044101302.

20310144062112 is a `hidden beast` number, since 2 + 0 + 3 + 1 + 0 + 1 + 440 + 6 + 211 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (20310144062063) and next prime (20310144062161).

It is a super-2 number, since 2×203101440621122 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

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, 8166633 + ... + 10359255.

It is an arithmetic number, because the mean of its divisors is an integer number (314948511360).

Almost surely, 220310144062112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20310144062112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30235057090560).

20310144062112 is an abundant number, since it is smaller than the sum of its proper divisors (40159970119008).

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

20310144062112 is a wasteful number, since it uses less digits than its factorization.

20310144062112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2192864 (or 2192850 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 20310144062112 its reverse (21126044101302), we get a palindrome (41436188163414).

The spelling of 20310144062112 in words is "twenty trillion, three hundred ten billion, one hundred forty-four million, sixty-two thousand, one hundred twelve".