Search a number
-
+
80145664824 = 23317196435453
BaseRepresentation
bin100101010100100001…
…1011100101100111000
321122212111012121120110
41022221003130230320
52303114242233244
6100452435424320
75535040624251
oct1125103345470
9248774177513
1080145664824
1130a98158235
12136487550a0
137733376714
143c44255b28
1521411939b9
hex12a90dcb38

80145664824 has 32 divisors (see below), whose sum is σ = 212150290320. Its totient is φ = 25143737856.

The previous prime is 80145664763. The next prime is 80145664849. The reversal of 80145664824 is 42846654108.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98217319 + ... + 98218134.

Almost surely, 280145664824 is an apocalyptic number.

It is an amenable number.

80145664824 is an abundant number, since it is smaller than the sum of its proper divisors (132004625496).

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

80145664824 is a wasteful number, since it uses less digits than its factorization.

80145664824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196435479 (or 196435475 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 48.

The spelling of 80145664824 in words is "eighty billion, one hundred forty-five million, six hundred sixty-four thousand, eight hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 17 24 34 51 68 102 136 204 408 196435453 392870906 589306359 785741812 1178612718 1571483624 2357225436 3339402701 4714450872 6678805402 10018208103 13357610804 20036416206 26715221608 40072832412 80145664824