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8699087020 = 22513371735227
BaseRepresentation
bin10000001101000000…
…11000100010101100
3211110020212102000011
420012200120202230
5120303431241040
63555111343004
7425400006511
oct100640304254
924406772004
108699087020
113764453918
121829381a64
13a88322a90
145c7485308
1535da8c3ea
hex2068188ac

8699087020 has 96 divisors (see below), whose sum is σ = 20325711168. Its totient is φ = 3106501632.

The previous prime is 8699087009. The next prime is 8699087069. The reversal of 8699087020 is 207809968.

It is a happy number.

It is a super-2 number, since 2×86990870202 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1661647 + ... + 1666873.

It is an arithmetic number, because the mean of its divisors is an integer number (211726158).

Almost surely, 28699087020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8699087020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10162855584).

8699087020 is an abundant number, since it is smaller than the sum of its proper divisors (11626624148).

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

8699087020 is a wasteful number, since it uses less digits than its factorization.

8699087020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5459 (or 5457 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 49.

The square root of 8699087020 is about 93268.8963159745. The cubic root of 8699087020 is about 2056.6381698117.

The spelling of 8699087020 in words is "eight billion, six hundred ninety-nine million, eighty-seven thousand, twenty".

Divisors: 1 2 4 5 10 13 20 26 37 52 65 74 130 148 173 185 260 346 370 481 692 740 865 962 1730 1924 2249 2405 3460 4498 4810 5227 6401 8996 9620 10454 11245 12802 20908 22490 25604 26135 32005 44980 52270 64010 67951 83213 104540 128020 135902 166426 193399 271804 332852 339755 386798 416065 679510 773596 832130 904271 966995 1359020 1664260 1808542 1933990 2514187 3617084 3867980 4521355 5028374 9042710 10056748 11755523 12570935 18085420 23511046 25141870 33458027 47022092 50283740 58777615 66916054 117555230 133832108 167290135 235110460 334580270 434954351 669160540 869908702 1739817404 2174771755 4349543510 8699087020