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20229268984288 = 257136946864349
BaseRepresentation
bin1001001100101111111100…
…11001000101000111100000
32122121220021112111122111021
410212113332121011013200
510122414020324444123
6111005110424055224
74155342100154410
oct446277631050740
978556245448437
1020229268984288
11649a203a69351
122328699304514
13b397c53b9510
144dd15d658640
15251322b86c5d
hex1265fe6451e0

20229268984288 has 48 divisors (see below), whose sum is σ = 49017074853600. Its totient is φ = 8002787728896.

The previous prime is 20229268984271. The next prime is 20229268984313. The reversal of 20229268984288 is 88248986292202.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3473429263 + ... + 3473435086.

It is an arithmetic number, because the mean of its divisors is an integer number (1021189059450).

Almost surely, 220229268984288 is an apocalyptic number.

20229268984288 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20229268984288 is an abundant number, since it is smaller than the sum of its proper divisors (28787805869312).

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

20229268984288 is a wasteful number, since it uses less digits than its factorization.

20229268984288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6946864379 (or 6946864371 counting only the distinct ones).

The product of its (nonzero) digits is 254803968, while the sum is 70.

The spelling of 20229268984288 in words is "twenty trillion, two hundred twenty-nine billion, two hundred sixty-eight million, nine hundred eighty-four thousand, two hundred eighty-eight".

Divisors: 1 2 4 7 8 13 14 16 26 28 32 52 56 91 104 112 182 208 224 364 416 728 1456 2912 6946864349 13893728698 27787457396 48628050443 55574914792 90309236537 97256100886 111149829584 180618473074 194512201772 222299659168 361236946148 389024403544 632164655759 722473892296 778048807088 1264329311518 1444947784592 1556097614176 2528658623036 2889895569184 5057317246072 10114634492144 20229268984288