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8768630020 = 225571767831
BaseRepresentation
bin10000010101010011…
…01010110100000100
3211122002201120001211
420022221222310010
5120424232130040
64010034101204
7430203061003
oct101251526404
924562646054
108768630020
11379a732577
12184871a804
13a99861597
145d27c8c3a
15364c278ea
hex20aa6ad04

8768630020 has 24 divisors (see below), whose sum is σ = 18446395968. Its totient is φ = 3501304800.

The previous prime is 8768630011. The next prime is 8768630021. The reversal of 8768630020 is 200368678.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (8768630021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 372496 + ... + 395335.

It is an arithmetic number, because the mean of its divisors is an integer number (768599832).

Almost surely, 28768630020 is an apocalyptic number.

It is an amenable number.

8768630020 is an abundant number, since it is smaller than the sum of its proper divisors (9677765948).

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

8768630020 is a wasteful number, since it uses less digits than its factorization.

8768630020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768411 (or 768409 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 8768630020 is about 93640.9633653990. The cubic root of 8768630020 is about 2062.1040822903.

Adding to 8768630020 its reverse (200368678), we get a palindrome (8968998698).

The spelling of 8768630020 in words is "eight billion, seven hundred sixty-eight million, six hundred thirty thousand, twenty".

Divisors: 1 2 4 5 10 20 571 1142 2284 2855 5710 11420 767831 1535662 3071324 3839155 7678310 15356620 438431501 876863002 1753726004 2192157505 4384315010 8768630020