Search a number
-
+
80733191142 = 2313798215561
BaseRepresentation
bin100101100110000010…
…0101011101111100110
321201101102202001011110
41023030010223233212
52310320144104032
6101031024245450
75555433542052
oct1131404535746
9251342661143
1080733191142
113126986647a
1213791470886
1377c7cc5826
143c9c2b2c62
152177a4a7cc
hex12cc12bbe6

80733191142 has 16 divisors (see below), whose sum is σ = 162644970672. Its totient is φ = 26714632320.

The previous prime is 80733191117. The next prime is 80733191183. The reversal of 80733191142 is 24119133708.

It is a self number, because there is not a number n which added to its sum of digits gives 80733191142.

It is a congruent number.

It is an unprimeable number.

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, 49106959 + ... + 49108602.

It is an arithmetic number, because the mean of its divisors is an integer number (10165310667).

Almost surely, 280733191142 is an apocalyptic number.

80733191142 is an abundant number, since it is smaller than the sum of its proper divisors (81911779530).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80733191142 is a wasteful number, since it uses less digits than its factorization.

80733191142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98215703.

The product of its (nonzero) digits is 36288, while the sum is 39.

The spelling of 80733191142 in words is "eighty billion, seven hundred thirty-three million, one hundred ninety-one thousand, one hundred forty-two".

Divisors: 1 2 3 6 137 274 411 822 98215561 196431122 294646683 589293366 13455531857 26911063714 40366595571 80733191142