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8499211442 = 2192472732
BaseRepresentation
bin1111110101001011…
…11010110010110010
3210221022202200020222
413322211322302302
5114401244231232
63523211333042
7420422051051
oct77245726262
923838680228
108499211442
113671646397
121792451182
13a55ab02c7
145a8ad6398
1534b259d12
hex1fa97acb2

8499211442 has 54 divisors (see below), whose sum is σ = 13938394653. Its totient is φ = 3886307424.

The previous prime is 8499211439. The next prime is 8499211463. The reversal of 8499211442 is 2441129948.

It can be written as a sum of positive squares in 2 ways, for example, as 8460136441 + 39075001 = 91979^2 + 6251^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=65189.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8499211393 and 8499211402.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 116427518 + ... + 116427590.

Almost surely, 28499211442 is an apocalyptic number.

8499211442 is a deficient number, since it is larger than the sum of its proper divisors (5439183211).

8499211442 is an equidigital number, since it uses as much as digits as its factorization.

8499211442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280 (or 141 counting only the distinct ones).

The product of its digits is 165888, while the sum is 44.

The square root of 8499211442 is about 92191.1679175397. The cubic root of 8499211442 is about 2040.7644387759.

The spelling of 8499211442 in words is "eight billion, four hundred ninety-nine million, two hundred eleven thousand, four hundred forty-two".

Divisors: 1 2 19 38 47 73 94 146 361 722 893 1387 1786 2209 2774 3431 4418 5329 6862 10658 16967 26353 33934 41971 52706 65189 83942 101251 130378 161257 202502 250463 322514 500926 797449 1238591 1594898 1923769 2477182 3063883 3847538 4758797 6127766 9517594 11771761 23543522 58213777 90417143 116427554 180834286 223663459 447326918 4249605721 8499211442