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142321345310515 = 5721798593465949
BaseRepresentation
bin100000010111000011000101…
…001110110010111100110011
3200122220210021020222112122111
4200113003011032302330303
5122123243103344414030
61222405305021150151
741656243416620500
oct4027030516627463
9618823236875574
10142321345310515
1141391164133018
1213b669b66bb357
136154acb0bc007
142720565b1c4a7
15116c188a8462a
hex8170c53b2f33

142321345310515 has 48 divisors (see below), whose sum is σ = 210376787652000. Its totient is φ = 91841743752192.

The previous prime is 142321345310483. The next prime is 142321345310561. The reversal of 142321345310515 is 515013543123241.

It is not a de Polignac number, because 142321345310515 - 25 = 142321345310483 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 39329761 + ... + 42795709.

It is an arithmetic number, because the mean of its divisors is an integer number (4382849742750).

Almost surely, 2142321345310515 is an apocalyptic number.

142321345310515 is a deficient number, since it is larger than the sum of its proper divisors (68055442341485).

142321345310515 is a wasteful number, since it uses less digits than its factorization.

142321345310515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3475844 (or 3475837 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 40.

Adding to 142321345310515 its reverse (515013543123241), we get a palindrome (657334888433756).

The spelling of 142321345310515 in words is "one hundred forty-two trillion, three hundred twenty-one billion, three hundred forty-five million, three hundred ten thousand, five hundred fifteen".

Divisors: 1 5 7 17 35 49 85 119 245 595 833 4165 9859 49295 69013 167603 345065 483091 838015 1173221 2415455 3465949 5866105 8212547 17329745 24261643 41062735 58921133 121308215 169831501 294605665 412447931 849157505 2062239655 2887135517 14435677585 34170791191 170853955955 239195538337 580903450247 1195977691685 1674368768359 2904517251235 4066324151729 8371843841795 20331620758645 28464269062103 142321345310515