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8517380378 = 2132314243111
BaseRepresentation
bin1111110111010110…
…01110100100011010
3210222120221202100112
413323223032210122
5114420422133003
63525101004322
7421032352523
oct77353164432
923876852315
108517380378
113680925a41
1217985536a2
13a597a2160
145ab2a584a
1534cb483d8
hex1fbace91a

8517380378 has 16 divisors (see below), whose sum is σ = 14357056896. Its totient is φ = 3760181040.

The previous prime is 8517380371. The next prime is 8517380393. The reversal of 8517380378 is 8730837158.

8517380378 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (8517380371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7120958 + ... + 7122153.

It is an arithmetic number, because the mean of its divisors is an integer number (897316056).

Almost surely, 28517380378 is an apocalyptic number.

8517380378 is a deficient number, since it is larger than the sum of its proper divisors (5839676518).

8517380378 is a wasteful number, since it uses less digits than its factorization.

8517380378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14243149.

The product of its (nonzero) digits is 1128960, while the sum is 50.

The square root of 8517380378 is about 92289.6547723525. The cubic root of 8517380378 is about 2042.2175982406.

The spelling of 8517380378 in words is "eight billion, five hundred seventeen million, three hundred eighty thousand, three hundred seventy-eight".

Divisors: 1 2 13 23 26 46 299 598 14243111 28486222 185160443 327591553 370320886 655183106 4258690189 8517380378