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142805765582 = 2372381810503
BaseRepresentation
bin1000010011111111100…
…0110000110111001110
3111122121101020112112222
42010333320300313032
54314431233444312
6145334251055342
713213600656614
oct2047770606716
9448541215488
10142805765582
115562214a377
1223815441552
131060ac5a60c
146caa1136b4
153aac1e9672
hex213fe30dce

142805765582 has 16 divisors (see below), whose sum is σ = 220090740192. Its totient is φ = 69443811360.

The previous prime is 142805765513. The next prime is 142805765611. The reversal of 142805765582 is 285567508241.

It is a happy number.

It is a super-2 number, since 2×1428057655822 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 229058 + ... + 581445.

It is an arithmetic number, because the mean of its divisors is an integer number (13755671262).

Almost surely, 2142805765582 is an apocalyptic number.

142805765582 is a deficient number, since it is larger than the sum of its proper divisors (77284974610).

142805765582 is a wasteful number, since it uses less digits than its factorization.

142805765582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812923.

The product of its (nonzero) digits is 5376000, while the sum is 53.

The spelling of 142805765582 in words is "one hundred forty-two billion, eight hundred five million, seven hundred sixty-five thousand, five hundred eighty-two".

Divisors: 1 2 37 74 2381 4762 88097 176194 810503 1621006 29988611 59977222 1929807643 3859615286 71402882791 142805765582