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142540441424 = 24191097427423
BaseRepresentation
bin1000010011000000010…
…0101000011101010000
3111121220212222200020022
42010300010220131100
54313410323111144
6145252052203012
713204166522033
oct2046004503520
9447825880208
10142540441424
11554a63aa407
1223760609468
1310597cb0b84
146c82ba901a
153a93c89cee
hex2130128750

142540441424 has 40 divisors (see below), whose sum is σ = 290973162240. Its totient is φ = 67457449728.

The previous prime is 142540441409. The next prime is 142540441427. The reversal of 142540441424 is 424144045241.

It is a super-3 number, since 3×1425404414243 (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142540441427) 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, 119777 + ... + 547199.

It is an arithmetic number, because the mean of its divisors is an integer number (7274329056).

Almost surely, 2142540441424 is an apocalyptic number.

It is an amenable number.

142540441424 is an abundant number, since it is smaller than the sum of its proper divisors (148432720816).

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

142540441424 is a wasteful number, since it uses less digits than its factorization.

142540441424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428547 (or 428541 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 35.

Adding to 142540441424 its reverse (424144045241), we get a palindrome (566684486665).

The spelling of 142540441424 in words is "one hundred forty-two billion, five hundred forty million, four hundred forty-one thousand, four hundred twenty-four".

Divisors: 1 2 4 8 16 19 38 76 152 304 1097 2194 4388 8776 17552 20843 41686 83372 166744 333488 427423 854846 1709692 3419384 6838768 8121037 16242074 32484148 64968296 129936592 468883031 937766062 1875532124 3751064248 7502128496 8908777589 17817555178 35635110356 71270220712 142540441424