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11102100020 = 2251188756893
BaseRepresentation
bin10100101011011110…
…01001101000110100
31001122201120010010122
422111233021220310
5140214114200040
65033352311112
7542056202354
oct122557115064
931581503118
1011102100020
114787934080
12219a0a2498
13107c124c6b
1477468ab64
1544ea0b1b5
hex295bc9a34

11102100020 has 48 divisors (see below), whose sum is σ = 25463023488. Its totient is φ = 4032504960.

The previous prime is 11102100017. The next prime is 11102100043. The reversal of 11102100020 is 2000120111.

11102100020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11102099980 and 11102100007.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166694 + ... + 223586.

It is an arithmetic number, because the mean of its divisors is an integer number (530479656).

Almost surely, 211102100020 is an apocalyptic number.

11102100020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11102100020 is an abundant number, since it is smaller than the sum of its proper divisors (14360923468).

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

11102100020 is a wasteful number, since it uses less digits than its factorization.

11102100020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57800 (or 57798 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 11102100020 its reverse (2000120111), we get a palindrome (13102220131).

The spelling of 11102100020 in words is "eleven billion, one hundred two million, one hundred thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 887 1774 3548 4435 8870 9757 17740 19514 39028 48785 56893 97570 113786 195140 227572 284465 568930 625823 1137860 1251646 2503292 3129115 6258230 12516460 50464091 100928182 201856364 252320455 504640910 555105001 1009281820 1110210002 2220420004 2775525005 5551050010 11102100020