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18826835920672 = 2513194355393901
BaseRepresentation
bin1000100011111011101101…
…10111100000011100100000
32110122211100120021102012011
410101331312313200130200
54431424324443430142
6104012532400242304
73652123354622413
oct421756667403440
973584316242164
1018826835920672
115aa946407638a
122140925310394
13a674946bb440
1449131bc63b7a
15229ae111e417
hex111f76de0720

18826835920672 has 96 divisors (see below), whose sum is σ = 42994530976320. Its totient is φ = 8040535372800.

The previous prime is 18826835920663. The next prime is 18826835920681. The reversal of 18826835920672 is 27602953862881.

It is an interprime number because it is at equal distance from previous prime (18826835920663) and next prime (18826835920681).

It is a junction number, because it is equal to n+sod(n) for n = 18826835920598 and 18826835920607.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27357079 + ... + 28036822.

It is an arithmetic number, because the mean of its divisors is an integer number (447859697670).

Almost surely, 218826835920672 is an apocalyptic number.

It is an amenable number.

18826835920672 is an abundant number, since it is smaller than the sum of its proper divisors (24167695055648).

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

18826835920672 is a wasteful number, since it uses less digits than its factorization.

18826835920672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55393986 (or 55393978 counting only the distinct ones).

The product of its (nonzero) digits is 139345920, while the sum is 67.

The spelling of 18826835920672 in words is "eighteen trillion, eight hundred twenty-six billion, eight hundred thirty-five million, nine hundred twenty thousand, six hundred seventy-two".

Divisors: 1 2 4 8 13 16 19 26 32 38 43 52 76 86 104 152 172 208 247 304 344 416 494 559 608 688 817 988 1118 1376 1634 1976 2236 3268 3952 4472 6536 7904 8944 10621 13072 17888 21242 26144 42484 84968 169936 339872 55393901 110787802 221575604 443151208 720120713 886302416 1052484119 1440241426 1772604832 2104968238 2381937743 2880482852 4209936476 4763875486 5760965704 8419872952 9527750972 11521931408 13682293547 16839745904 19055501944 23043862816 27364587094 30965190659 33679491808 38111003888 45256817117 54729174188 61930381318 76222007776 90513634234 109458348376 123860762636 181027268468 218916696752 247721525272 362054536936 437833393504 495443050544 588338622521 724109073872 990886101088 1176677245042 1448218147744 2353354490084 4706708980168 9413417960336 18826835920672