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42131041542432 = 2533631363121283
BaseRepresentation
bin10011001010001011001011…
…10000111110000100100000
312112011200120201112221112000
421211011211300332010200
521010233333113324212
6225334422220204000
711605603325221023
oct1145054560760440
9175150521487460
1042131041542432
1112473746662257
124885340699600
131a67c2b72744b
14a592208b71ba
154d0dd21e81dc
hex265165c3e120

42131041542432 has 192 divisors, whose sum is σ = 123116627128320. Its totient is φ = 14016904070400.

The previous prime is 42131041542407. The next prime is 42131041542433. The reversal of 42131041542432 is 23424514013124.

42131041542432 is a `hidden beast` number, since 4 + 2 + 1 + 3 + 104 + 1 + 542 + 4 + 3 + 2 = 666.

It is a super-2 number, since 2×421310415424322 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (42131041542433) 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, 1979552463 + ... + 1979573745.

It is an arithmetic number, because the mean of its divisors is an integer number (641232432960).

Almost surely, 242131041542432 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 42131041542432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61558313564160).

42131041542432 is an abundant number, since it is smaller than the sum of its proper divisors (80985585585888).

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

42131041542432 is a wasteful number, since it uses less digits than its factorization.

42131041542432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25564 (or 25550 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

Adding to 42131041542432 its reverse (23424514013124), we get a palindrome (65555555555556).

The spelling of 42131041542432 in words is "forty-two trillion, one hundred thirty-one billion, forty-one million, five hundred forty-two thousand, four hundred thirty-two".