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11009103020 = 22510113939209
BaseRepresentation
bin10100100000011000…
…11001010010101100
31001102020120101020022
422100030121102230
5140021312244040
65020231141312
7536546555156
oct122014312254
931366511208
1011009103020
11473a396053
122172b14838
131065a93b56
1476619dad6
1544678b6b5
hex2903194ac

11009103020 has 48 divisors (see below), whose sum is σ = 23516589600. Its totient is φ = 4328563200.

The previous prime is 11009102983. The next prime is 11009103023. The reversal of 11009103020 is 2030190011.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 11009103020.

It is not an unprimeable number, because it can be changed into a prime (11009103023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 261176 + ... + 300384.

It is an arithmetic number, because the mean of its divisors is an integer number (489928950).

Almost surely, 211009103020 is an apocalyptic number.

11009103020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11009103020 is an abundant number, since it is smaller than the sum of its proper divisors (12507486580).

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

11009103020 is a wasteful number, since it uses less digits than its factorization.

11009103020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39458 (or 39456 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 11009103020 its reverse (2030190011), we get a palindrome (13039293031).

The spelling of 11009103020 in words is "eleven billion, nine million, one hundred three thousand, twenty".

Divisors: 1 2 4 5 10 20 101 139 202 278 404 505 556 695 1010 1390 2020 2780 14039 28078 39209 56156 70195 78418 140390 156836 196045 280780 392090 784180 3960109 5450051 7920218 10900102 15840436 19800545 21800204 27250255 39601090 54500510 79202180 109001020 550455151 1100910302 2201820604 2752275755 5504551510 11009103020