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142805765654 = 2598783137791
BaseRepresentation
bin1000010011111111100…
…0110000111000010110
3111122121101020112122122
42010333320300320112
54314431234000104
6145334251055542
713213600660046
oct2047770607026
9448541215578
10142805765654
115562214a432
12238154415b2
131060ac5a666
146caa113726
153aac1e96be
hex213fe30e16

142805765654 has 16 divisors (see below), whose sum is σ = 217865687040. Its totient is φ = 70184163240.

The previous prime is 142805765653. The next prime is 142805765699. The reversal of 142805765654 is 456567508241.

142805765654 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 142805765596 and 142805765605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142805765653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 967499 + ... + 1105289.

It is an arithmetic number, because the mean of its divisors is an integer number (13616605440).

Almost surely, 2142805765654 is an apocalyptic number.

142805765654 is a deficient number, since it is larger than the sum of its proper divisors (75059921386).

142805765654 is a wasteful number, since it uses less digits than its factorization.

142805765654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146635.

The product of its (nonzero) digits is 8064000, while the sum is 53.

The spelling of 142805765654 in words is "one hundred forty-two billion, eight hundred five million, seven hundred sixty-five thousand, six hundred fifty-four".

Divisors: 1 2 59 118 8783 17566 137791 275582 518197 1036394 8129669 16259338 1210218353 2420436706 71402882827 142805765654