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2131410143442 = 232989137634647
BaseRepresentation
bin11111000001000001111…
…100011100100011010010
321112202112122012210201210
4133001001330130203102
5234410111444042232
64311053432240550
7306663221202546
oct37010174344322
97482478183653
102131410143442
11751a20507618
122a50b8b40156
13125cb66295b8
147523734ba26
153a699a3b5cc
hex1f041f1c8d2

2131410143442 has 32 divisors (see below), whose sum is σ = 4459362595200. Its totient is φ = 678263535488.

The previous prime is 2131410143377. The next prime is 2131410143449. The reversal of 2131410143442 is 2443410141312.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2131410143449) 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 15 ways as a sum of consecutive naturals, for example, 68801838 + ... + 68832809.

It is an arithmetic number, because the mean of its divisors is an integer number (139355081100).

Almost surely, 22131410143442 is an apocalyptic number.

2131410143442 is an abundant number, since it is smaller than the sum of its proper divisors (2327952451758).

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

2131410143442 is a wasteful number, since it uses less digits than its factorization.

2131410143442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137634770.

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 2131410143442 its reverse (2443410141312), we get a palindrome (4574820284754).

The spelling of 2131410143442 in words is "two trillion, one hundred thirty-one billion, four hundred ten million, one hundred forty-three thousand, four hundred forty-two".

Divisors: 1 2 3 6 29 58 87 89 174 178 267 534 2581 5162 7743 15486 137634647 275269294 412903941 825807882 3991404763 7982809526 11974214289 12249483583 23948428578 24498967166 36748450749 73496901498 355235023907 710470047814 1065705071721 2131410143442