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8164804380 = 2235136080073
BaseRepresentation
bin1111001101010100…
…10000011100011100
3210002000112001000020
413212222100130130
5113210142220010
63430104032140
7406221456255
oct74652203434
923060461006
108164804380
11350a901417
1216ba462650
13a017265c5
14576527b2c
1532bc01470
hex1e6a9071c

8164804380 has 24 divisors (see below), whose sum is σ = 22861452432. Its totient is φ = 2177281152.

The previous prime is 8164804379. The next prime is 8164804399. The reversal of 8164804380 is 834084618.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68039977 + ... + 68040096.

It is an arithmetic number, because the mean of its divisors is an integer number (952560518).

Almost surely, 28164804380 is an apocalyptic number.

It is an amenable number.

8164804380 is an abundant number, since it is smaller than the sum of its proper divisors (14696648052).

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

8164804380 is a wasteful number, since it uses less digits than its factorization.

8164804380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136080085 (or 136080083 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 42.

The square root of 8164804380 is about 90359.3071022570. The cubic root of 8164804380 is about 2013.6404558183.

Adding to 8164804380 its reverse (834084618), we get a palindrome (8998888998).

The spelling of 8164804380 in words is "eight billion, one hundred sixty-four million, eight hundred four thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 136080073 272160146 408240219 544320292 680400365 816480438 1360800730 1632960876 2041201095 2721601460 4082402190 8164804380