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102142154345 = 5711594496683
BaseRepresentation
bin101111100100000100…
…1011001011001101001
3100202122110111001120112
41133020021121121221
53133141342414340
6114531244504105
710244114662310
oct1371011313151
9322573431515
10102142154345
113a3556463a0
121796724b035
13982a5698aa
144d2d761277
1529cc32c065
hex17c8259669

102142154345 has 32 divisors (see below), whose sum is σ = 155405399040. Its totient is φ = 62593813440.

The previous prime is 102142154333. The next prime is 102142154351. The reversal of 102142154345 is 543451241201.

It is not a de Polignac number, because 102142154345 - 24 = 102142154329 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2225627 + ... + 2271056.

It is an arithmetic number, because the mean of its divisors is an integer number (4856418720).

Almost surely, 2102142154345 is an apocalyptic number.

It is an amenable number.

102142154345 is a deficient number, since it is larger than the sum of its proper divisors (53263244695).

102142154345 is a wasteful number, since it uses less digits than its factorization.

102142154345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4496765.

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 102142154345 its reverse (543451241201), we get a palindrome (645593395546).

The spelling of 102142154345 in words is "one hundred two billion, one hundred forty-two million, one hundred fifty-four thousand, three hundred forty-five".

Divisors: 1 5 7 11 35 55 59 77 295 385 413 649 2065 3245 4543 22715 4496683 22483415 31476781 49463513 157383905 247317565 265304297 346244591 1326521485 1731222955 1857130079 2918347267 9285650395 14591736335 20428430869 102142154345