Search a number
-
+
80455708026 = 2342382326237
BaseRepresentation
bin100101011101110001…
…0001010110101111010
321200200002121102220000
41022323202022311322
52304233130124101
6100543313013430
75545524143301
oct1127342126572
9250602542800
1080455708026
1131137171291
1213714554276
13778267c935
143c734c1438
15215d4d8486
hex12bb88ad7a

80455708026 has 80 divisors (see below), whose sum is σ = 188354415744. Its totient is φ = 25620398496.

The previous prime is 80455708009. The next prime is 80455708043. The reversal of 80455708026 is 62080755408.

It is an interprime number because it is at equal distance from previous prime (80455708009) and next prime (80455708043).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3053380 + ... + 3079616.

Almost surely, 280455708026 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80455708026, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94177207872).

80455708026 is an abundant number, since it is smaller than the sum of its proper divisors (107898707718).

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

80455708026 is a wasteful number, since it uses less digits than its factorization.

80455708026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27097 (or 27088 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 45.

The spelling of 80455708026 in words is "eighty billion, four hundred fifty-five million, seven hundred eight thousand, twenty-six".

Divisors: 1 2 3 6 9 18 23 27 46 54 69 81 138 162 207 414 621 823 1242 1646 1863 2469 3726 4938 7407 14814 18929 22221 26237 37858 44442 52474 56787 66663 78711 113574 133326 157422 170361 236133 340722 472266 511083 603451 708399 1022166 1206902 1416798 1533249 1810353 2125197 3066498 3620706 4250394 5431059 10862118 16293177 21593051 32586354 43186102 48879531 64779153 97759062 129558306 194337459 388674918 496640173 583012377 993280346 1166024754 1489920519 1749037131 2979841038 3498074262 4469761557 8939523114 13409284671 26818569342 40227854013 80455708026