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142054104230440 = 23526313503241847
BaseRepresentation
bin100000010011001010001100…
…011010111110101000101000
3200121222020110202202001220221
4200103022030122332220220
5122104403301140333230
61222042430553255424
741631033062125243
oct4023121432765050
9617866422661827
10142054104230440
114129889754a166
1213b23054104574
13613584c0cb3bc
1427116535d425a
15116524732227a
hex81328c6bea28

142054104230440 has 32 divisors (see below), whose sum is σ = 320837026308480. Its totient is φ = 56605589818432.

The previous prime is 142054104230413. The next prime is 142054104230473. The reversal of 142054104230440 is 44032401450241.

It is a junction number, because it is equal to n+sod(n) for n = 142054104230396 and 142054104230405.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6751610404 + ... + 6751631443.

It is an arithmetic number, because the mean of its divisors is an integer number (10026157072140).

Almost surely, 2142054104230440 is an apocalyptic number.

142054104230440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142054104230440 is an abundant number, since it is smaller than the sum of its proper divisors (178782922078040).

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

142054104230440 is a wasteful number, since it uses less digits than its factorization.

142054104230440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13503242121 (or 13503242117 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 34.

Adding to 142054104230440 its reverse (44032401450241), we get a palindrome (186086505680681).

The spelling of 142054104230440 in words is "one hundred forty-two trillion, fifty-four billion, one hundred four million, two hundred thirty thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 263 526 1052 1315 2104 2630 5260 10520 13503241847 27006483694 54012967388 67516209235 108025934776 135032418470 270064836940 540129673880 3551352605761 7102705211522 14205410423044 17756763028805 28410820846088 35513526057610 71027052115220 142054104230440