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20283039936 = 263235213611
BaseRepresentation
bin10010111000111101…
…101010000011000000
31221100120010012001100
4102320331222003000
5313014424234221
613152355534400
71315426665135
oct227075520300
957316105040
1020283039936
11866927a125
123b208ba400
131bb3217ba3
14da5b2258c
157daa29926
hex4b8f6a0c0

20283039936 has 42 divisors (see below), whose sum is σ = 58137673412. Its totient is φ = 6761013120.

The previous prime is 20283039919. The next prime is 20283039937. The reversal of 20283039936 is 63993038202.

It is a super-2 number, since 2×202830399362 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20283039891 and 20283039900.

It is not an unprimeable number, because it can be changed into a prime (20283039937) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17606230 + ... + 17607381.

Almost surely, 220283039936 is an apocalyptic number.

It is an amenable number.

20283039936 is an abundant number, since it is smaller than the sum of its proper divisors (37854633476).

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

20283039936 is a wasteful number, since it uses less digits than its factorization.

20283039936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35213629 (or 35213616 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 45.

The spelling of 20283039936 in words is "twenty billion, two hundred eighty-three million, thirty-nine thousand, nine hundred thirty-six".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 144 192 288 576 35213611 70427222 105640833 140854444 211281666 281708888 316922499 422563332 563417776 633844998 845126664 1126835552 1267689996 1690253328 2253671104 2535379992 3380506656 5070759984 6761013312 10141519968 20283039936