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26920930000 = 24542692093
BaseRepresentation
bin11001000100100111…
…001100101011010000
32120111011110221101111
4121010213030223100
5420113224230000
620211200543104
71642061062246
oct310447145320
976434427344
1026920930000
1110465188188
125273921a94
1327004b78a3
14143553c796
15a78666cba
hex6449ccad0

26920930000 has 50 divisors (see below), whose sum is σ = 65178287834. Its totient is φ = 10768368000.

The previous prime is 26920929983. The next prime is 26920930013. The reversal of 26920930000 is 3902962.

It can be written as a sum of positive squares in 5 ways, for example, as 11862695056 + 15058234944 = 108916^2 + 122712^2 .

It is a tau number, because it is divible by the number of its divisors (50).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1336047 + ... + 1356046.

Almost surely, 226920930000 is an apocalyptic number.

26920930000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26920930000 is an abundant number, since it is smaller than the sum of its proper divisors (38257357834).

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

26920930000 is an equidigital number, since it uses as much as digits as its factorization.

26920930000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2692121 (or 2692100 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 31.

It can be divided in two parts, 269209 and 30000, that added together give a square (299209 = 5472).

The spelling of 26920930000 in words is "twenty-six billion, nine hundred twenty million, nine hundred thirty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 625 1000 1250 2000 2500 5000 10000 2692093 5384186 10768372 13460465 21536744 26920930 43073488 53841860 67302325 107683720 134604650 215367440 269209300 336511625 538418600 673023250 1076837200 1346046500 1682558125 2692093000 3365116250 5384186000 6730232500 13460465000 26920930000