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26828633328 = 2437691115553
BaseRepresentation
bin11000111111000111…
…000111010011110000
32120020201210210011020
4120333013013103300
5414421112231303
620154102415440
71636560422610
oct307707072360
976221723136
1026828633328
1110418078342
125248a31580
1326b7340483
141427194a40
15a704d4a53
hex63f1c74f0

26828633328 has 80 divisors (see below), whose sum is σ = 79323661056. Its totient is φ = 7654164480.

The previous prime is 26828633303. The next prime is 26828633357. The reversal of 26828633328 is 82333682862.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174400 + ... + 289952.

Almost surely, 226828633328 is an apocalyptic number.

26828633328 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26828633328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39661830528).

26828633328 is an abundant number, since it is smaller than the sum of its proper divisors (52495027728).

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

26828633328 is a wasteful number, since it uses less digits than its factorization.

26828633328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116262 (or 116256 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 51.

The spelling of 26828633328 in words is "twenty-six billion, eight hundred twenty-eight million, six hundred thirty-three thousand, three hundred twenty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 112 168 336 691 1382 2073 2764 4146 4837 5528 8292 9674 11056 14511 16584 19348 29022 33168 38696 58044 77392 115553 116088 231106 232176 346659 462212 693318 808871 924424 1386636 1617742 1848848 2426613 2773272 3235484 4853226 5546544 6470968 9706452 12941936 19412904 38825808 79847123 159694246 239541369 319388492 479082738 558929861 638776984 958165476 1117859722 1277553968 1676789583 1916330952 2235719444 3353579166 3832661904 4471438888 6707158332 8942877776 13414316664 26828633328