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11001300380 = 2257177744221
BaseRepresentation
bin10100011111011101…
…01000010110011100
31001101200212222000122
422033232220112130
5140012313103010
65015352014112
7536423340020
oct121756502634
931350788018
1011001300380
114735a46894
122170391338
1310642914c5
1476512c380
15445c49855
hex28fba859c

11001300380 has 48 divisors (see below), whose sum is σ = 26418576576. Its totient is φ = 3769666560.

The previous prime is 11001300379. The next prime is 11001300383. The reversal of 11001300380 is 8300310011.

It is a super-2 number, since 2×110013003802 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11001300383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 226670 + ... + 270890.

It is an arithmetic number, because the mean of its divisors is an integer number (550387012).

Almost surely, 211001300380 is an apocalyptic number.

11001300380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11001300380 is an abundant number, since it is smaller than the sum of its proper divisors (15417276196).

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

11001300380 is a wasteful number, since it uses less digits than its factorization.

11001300380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46014 (or 46012 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 11001300380 its reverse (8300310011), we get a palindrome (19301610391).

The spelling of 11001300380 in words is "eleven billion, one million, three hundred thousand, three hundred eighty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 1777 3554 7108 8885 12439 17770 24878 35540 44221 49756 62195 88442 124390 176884 221105 248780 309547 442210 619094 884420 1238188 1547735 3095470 6190940 78580717 157161434 314322868 392903585 550065019 785807170 1100130038 1571614340 2200260076 2750325095 5500650190 11001300380