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8780530066380 = 2232548780722591
BaseRepresentation
bin111111111000110000001…
…1000000010001111001100
31011002102002020102000222100
41333301200120002033030
52122330011144111010
630401415252115100
71564241502054342
oct177614030021714
934072066360870
108780530066380
1128858903506a6
12b99885905a90
134b9000c47247
14224da0c9d992
15103605ce32c0
hex7fc606023cc

8780530066380 has 36 divisors (see below), whose sum is σ = 26634274535232. Its totient is φ = 2341474684320.

The previous prime is 8780530066349. The next prime is 8780530066381. The reversal of 8780530066380 is 836600350878.

It is a happy number.

8780530066380 is a `hidden beast` number, since 8 + 78 + 0 + 530 + 0 + 6 + 6 + 38 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (8780530066381) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24390361116 + ... + 24390361475.

It is an arithmetic number, because the mean of its divisors is an integer number (739840959312).

Almost surely, 28780530066380 is an apocalyptic number.

It is an amenable number.

8780530066380 is an abundant number, since it is smaller than the sum of its proper divisors (17853744468852).

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

8780530066380 is a wasteful number, since it uses less digits than its factorization.

8780530066380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48780722606 (or 48780722601 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 8780530066380 in words is "eight trillion, seven hundred eighty billion, five hundred thirty million, sixty-six thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 48780722591 97561445182 146342167773 195122890364 243903612955 292684335546 439026503319 487807225910 585368671092 731710838865 878053006638 975614451820 1463421677730 1756106013276 2195132516595 2926843355460 4390265033190 8780530066380