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8630481377 = 72349504677
BaseRepresentation
bin10000000100110101…
…01011000111100001
3211021110202212202102
420002122223013201
5120133400401002
63544221100145
7423604611200
oct100232530741
924243685672
108630481377
113729755441
12180a3b7655
13a77051b1b
145bc307237
15357a39a02
hex2026ab1e1

8630481377 has 12 divisors (see below), whose sum is σ = 10068326100. Its totient is φ = 7376344416.

The previous prime is 8630481373. The next prime is 8630481401. The reversal of 8630481377 is 7731840368.

It can be written as a sum of positive squares in 2 ways, for example, as 7428888481 + 1201592896 = 86191^2 + 34664^2 .

It is not a de Polignac number, because 8630481377 - 22 = 8630481373 is a prime.

It is a super-2 number, since 2×86304813772 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8630481373) 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, 235238 + ... + 269439.

It is an arithmetic number, because the mean of its divisors is an integer number (839027175).

Almost surely, 28630481377 is an apocalyptic number.

It is an amenable number.

8630481377 is a deficient number, since it is larger than the sum of its proper divisors (1437844723).

8630481377 is a wasteful number, since it uses less digits than its factorization.

8630481377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505040 (or 505033 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 47.

The square root of 8630481377 is about 92900.3841595932. The cubic root of 8630481377 is about 2051.2173120624.

The spelling of 8630481377 in words is "eight billion, six hundred thirty million, four hundred eighty-one thousand, three hundred seventy-seven".

Divisors: 1 7 49 349 2443 17101 504677 3532739 24729173 176132273 1232925911 8630481377