Search a number
-
+
80112512 = 271932941
BaseRepresentation
bin1001100011001…
…10101110000000
312120202010201002
410301212232000
5131002100022
611541031132
71661642114
oct461465600
9176663632
1080112512
1141248797
12229b54a8
131379c66c
14a8d5744
157077092
hex4c66b80

80112512 has 32 divisors (see below), whose sum is σ = 168004200. Its totient is φ = 37946880.

The previous prime is 80112509. The next prime is 80112541. The reversal of 80112512 is 21521108.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14039 + ... + 18902.

Almost surely, 280112512 is an apocalyptic number.

It is an amenable number.

80112512 is an abundant number, since it is smaller than the sum of its proper divisors (87891688).

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

80112512 is a wasteful number, since it uses less digits than its factorization.

80112512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32974 (or 32962 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 20.

The square root of 80112512 is about 8950.5593121324. The cubic root of 80112512 is about 431.0888431793.

The spelling of 80112512 in words is "eighty million, one hundred twelve thousand, five hundred twelve".

Divisors: 1 2 4 8 16 19 32 38 64 76 128 152 304 608 1216 2432 32941 65882 131764 263528 527056 625879 1054112 1251758 2108224 2503516 4216448 5007032 10014064 20028128 40056256 80112512