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110102000020 = 22531612911211
BaseRepresentation
bin110011010001010010…
…1110011000110010100
3101112012012100010002121
41212202211303012110
53300442103000040
6122325151545324
710645300362415
oct1464245630624
9345165303077
10110102000020
114276a788251
1219408b2b244
13a4c8690b4c
14548697580c
152ce6044c4a
hex19a2973194

110102000020 has 48 divisors (see below), whose sum is σ = 242585473536. Its totient is φ = 41921424000.

The previous prime is 110102000009. The next prime is 110102000027. The reversal of 110102000020 is 20000201011.

It is a junction number, because it is equal to n+sod(n) for n = 110101999967 and 110102000012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110102000027) by changing a digit.

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, 1417786 + ... + 1493425.

It is an arithmetic number, because the mean of its divisors is an integer number (5053864032).

Almost surely, 2110102000020 is an apocalyptic number.

110102000020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110102000020 is an abundant number, since it is smaller than the sum of its proper divisors (132483473516).

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

110102000020 is a wasteful number, since it uses less digits than its factorization.

110102000020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2911312 (or 2911310 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 110102000020 its reverse (20000201011), we get a palindrome (130102201031).

The spelling of 110102000020 in words is "one hundred ten billion, one hundred two million, twenty", and thus it is an aban number.

Divisors: 1 2 4 5 10 20 31 61 62 122 124 155 244 305 310 610 620 1220 1891 3782 7564 9455 18910 37820 2911211 5822422 11644844 14556055 29112110 58224220 90247541 177583871 180495082 355167742 360990164 451237705 710335484 887919355 902475410 1775838710 1804950820 3551677420 5505100001 11010200002 22020400004 27525500005 55051000010 110102000020