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28682069533476 = 2238219290810617
BaseRepresentation
bin1101000010110000100001…
…00100001110001100100100
310202112222102202000020020020
412201120100210032030210
512224411334300032401
6141000205535235140
76020132264304102
oct641302044161444
9122488382006206
1028682069533476
119158aa7569a97
12327293b078ab0
13130092764b908
14712310714c72
1534b146b82d36
hex1a161090e324

28682069533476 has 24 divisors (see below), whose sum is σ = 66932971838880. Its totient is φ = 9559526569152.

The previous prime is 28682069533393. The next prime is 28682069533493. The reversal of 28682069533476 is 67433596028682.

28682069533476 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×286820695334762 (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28682069533476.

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, 145306681 + ... + 145503936.

It is an arithmetic number, because the mean of its divisors is an integer number (2788873826620).

Almost surely, 228682069533476 is an apocalyptic number.

It is an amenable number.

28682069533476 is an abundant number, since it is smaller than the sum of its proper divisors (38250902305404).

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

28682069533476 is a wasteful number, since it uses less digits than its factorization.

28682069533476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290818843 (or 290818841 counting only the distinct ones).

The product of its (nonzero) digits is 627056640, while the sum is 69.

The spelling of 28682069533476 in words is "twenty-eight trillion, six hundred eighty-two billion, sixty-nine million, five hundred thirty-three thousand, four hundred seventy-six".

Divisors: 1 2 3 4 6 12 8219 16438 24657 32876 49314 98628 290810617 581621234 872431851 1163242468 1744863702 3489727404 2390172461123 4780344922246 7170517383369 9560689844492 14341034766738 28682069533476