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80378030578 = 2192115211331
BaseRepresentation
bin100101011011011100…
…1110110100111110010
321200110200110000110111
41022312321312213302
52304103233434303
6100531500051534
75543561662366
oct1126671664762
9250420400414
1080378030578
11310a733704a
12136b2533baa
13776c553751
143c670612a6
152156792b6d
hex12b6e769f2

80378030578 has 8 divisors (see below), whose sum is σ = 126912679920. Its totient is φ = 38073803940.

The previous prime is 80378030573. The next prime is 80378030591. The reversal of 80378030578 is 87503087308.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (80378030573) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1057605628 + ... + 1057605703.

It is an arithmetic number, because the mean of its divisors is an integer number (15864084990).

Almost surely, 280378030578 is an apocalyptic number.

80378030578 is a deficient number, since it is larger than the sum of its proper divisors (46534649342).

80378030578 is a wasteful number, since it uses less digits than its factorization.

80378030578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2115211352.

The product of its (nonzero) digits is 1128960, while the sum is 49.

The spelling of 80378030578 in words is "eighty billion, three hundred seventy-eight million, thirty thousand, five hundred seventy-eight".

Divisors: 1 2 19 38 2115211331 4230422662 40189015289 80378030578