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111001001080 = 2353505979153
BaseRepresentation
bin110011101100000101…
…1001101110001111000
3101121111211222002201011
41213120023031301320
53304312224013310
6122554304403304
711006464640644
oct1473013156170
9347454862634
10111001001080
1143091198032
121961a016534
13a60c9c7938
145530111c24
152d49e2578a
hex19d82cdc78

111001001080 has 32 divisors (see below), whose sum is σ = 249762531600. Its totient is φ = 44398573056.

The previous prime is 111001001057. The next prime is 111001001081. The reversal of 111001001080 is 80100100111.

It is a super-2 number, since 2×1110010010802 (a number of 23 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 111001001080.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111001001081) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1362784 + ... + 1441936.

Almost surely, 2111001001080 is an apocalyptic number.

111001001080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111001001080 is an abundant number, since it is smaller than the sum of its proper divisors (138761530520).

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

111001001080 is a wasteful number, since it uses less digits than its factorization.

111001001080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114223 (or 114219 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 111001001080 its reverse (80100100111), we get a palindrome (191101101191).

The spelling of 111001001080 in words is "one hundred eleven billion, one million, one thousand, eighty".

Divisors: 1 2 4 5 8 10 20 40 35059 70118 79153 140236 158306 175295 280472 316612 350590 395765 633224 701180 791530 1402360 1583060 3166120 2775025027 5550050054 11100100108 13875125135 22200200216 27750250270 55500500540 111001001080