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102142020355 = 571457629593
BaseRepresentation
bin101111100100000100…
…0111000101100000011
3100202122110020020202221
41133020020320230003
53133141324122410
6114531241551511
710244113563544
oct1371010705403
9322573206687
10102142020355
113a355564761
12179671a5597
13982a5208cb
144d2d7284cb
1529cc3024da
hex17c8238b03

102142020355 has 16 divisors (see below), whose sum is σ = 124568950464. Its totient is φ = 80386306560.

The previous prime is 102142020341. The next prime is 102142020437. The reversal of 102142020355 is 553020241201.

It is not a de Polignac number, because 102142020355 - 227 = 102007802627 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152562 + ... + 477031.

It is an arithmetic number, because the mean of its divisors is an integer number (7785559404).

Almost surely, 2102142020355 is an apocalyptic number.

102142020355 is a deficient number, since it is larger than the sum of its proper divisors (22426930109).

102142020355 is an equidigital number, since it uses as much as digits as its factorization.

102142020355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630126.

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 102142020355 its reverse (553020241201), we get a palindrome (655162261556).

The spelling of 102142020355 in words is "one hundred two billion, one hundred forty-two million, twenty thousand, three hundred fifty-five".

Divisors: 1 5 71 355 457 2285 32447 162235 629593 3147965 44701103 223505515 287724001 1438620005 20428404071 102142020355