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142730205235 = 5192951807697
BaseRepresentation
bin1000010011101101100…
…0100001100000110011
3111122102010001200020121
42010323120201200303
54314302413031420
6145322551351111
713211662504222
oct2047330414063
9448363050217
10142730205235
1155593530802
12237b4082497
13105c83c2c57
146ca0084cb9
153aa57712aa
hex213b621833

142730205235 has 16 divisors (see below), whose sum is σ = 186507712800. Its totient is φ = 104444315136.

The previous prime is 142730205229. The next prime is 142730205269. The reversal of 142730205235 is 532502037241.

It is a cyclic number.

It is not a de Polignac number, because 142730205235 - 25 = 142730205203 is a prime.

It is a super-2 number, since 2×1427302052352 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 142730205235.

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, 25901094 + ... + 25906603.

It is an arithmetic number, because the mean of its divisors is an integer number (11656732050).

Almost surely, 2142730205235 is an apocalyptic number.

142730205235 is a deficient number, since it is larger than the sum of its proper divisors (43777507565).

142730205235 is a wasteful number, since it uses less digits than its factorization.

142730205235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51807750.

The product of its (nonzero) digits is 50400, while the sum is 34.

The spelling of 142730205235 in words is "one hundred forty-two billion, seven hundred thirty million, two hundred five thousand, two hundred thirty-five".

Divisors: 1 5 19 29 95 145 551 2755 51807697 259038485 984346243 1502423213 4921731215 7512116065 28546041047 142730205235