Search a number
-
+
80488080080 = 24531227142973
BaseRepresentation
bin100101011110101110…
…1101010001011010000
321200202100112002222222
41022331131222023100
52304314422030310
6100550430520212
75546366251412
oct1127535521320
9250670462888
1080488080080
1131153471951
1213723366068
1377892a54b5
143c7790a9b2
152161280055
hex12bd76a2d0

80488080080 has 80 divisors (see below), whose sum is σ = 194023724544. Its totient is φ = 31019205120.

The previous prime is 80488079999. The next prime is 80488080109. The reversal of 80488080080 is 8008088408.

It is a tau number, because it is divible by the number of its divisors (80).

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 15 ways as a sum of consecutive naturals, for example, 491474 + ... + 634446.

Almost surely, 280488080080 is an apocalyptic number.

80488080080 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80488080080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97011862272).

80488080080 is an abundant number, since it is smaller than the sum of its proper divisors (113535644464).

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

80488080080 is a wasteful number, since it uses less digits than its factorization.

80488080080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143244 (or 143238 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 44.

The spelling of 80488080080 in words is "eighty billion, four hundred eighty-eight million, eighty thousand, eighty".

Divisors: 1 2 4 5 8 10 16 20 31 40 62 80 124 155 227 248 310 454 496 620 908 1135 1240 1816 2270 2480 3632 4540 7037 9080 14074 18160 28148 35185 56296 70370 112592 140740 142973 281480 285946 562960 571892 714865 1143784 1429730 2287568 2859460 4432163 5718920 8864326 11437840 17728652 22160815 32454871 35457304 44321630 64909742 70914608 88643260 129819484 162274355 177286520 259638968 324548710 354573040 519277936 649097420 1006101001 1298194840 2012202002 2596389680 4024404004 5030505005 8048808008 10061010010 16097616016 20122020020 40244040040 80488080080