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21010112000200 = 2352717714637113
BaseRepresentation
bin1001100011011110011000…
…10000110011000011001000
32202101112202211101202122201
410301233030100303003020
510223212202133001300
6112403525011525544
74265634106245031
oct461571420630310
982345684352581
1021010112000200
11677037a545394
122433a97bb98b4
13b9532552263b
14528c7565da88
152667c423066a
hex131bcc4330c8

21010112000200 has 48 divisors (see below), whose sum is σ = 48855319995780. Its totient is φ = 8402873256960.

The previous prime is 21010112000173. The next prime is 21010112000201. The reversal of 21010112000200 is 200021101012.

It can be written as a sum of positive squares in 6 ways, for example, as 12991598436996 + 8018513563204 = 3604386^2 + 2831698^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (21010112000201) 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 11 ways as a sum of consecutive naturals, for example, 5883157 + ... + 8753956.

Almost surely, 221010112000200 is an apocalyptic number.

21010112000200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21010112000200 is an abundant number, since it is smaller than the sum of its proper divisors (27845207995580).

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

21010112000200 is a wasteful number, since it uses less digits than its factorization.

21010112000200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14644306 (or 14644297 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 21010112000200 its reverse (200021101012), we get a palindrome (21210133101212).

The spelling of 21010112000200 in words is "twenty-one trillion, ten billion, one hundred twelve million, two hundred", and thus it is an aban number.

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 7177 14354 28708 35885 57416 71770 143540 179425 287080 358850 717700 1435400 14637113 29274226 58548452 73185565 117096904 146371130 292742260 365927825 585484520 731855650 1463711300 2927422600 105050560001 210101120002 420202240004 525252800005 840404480008 1050505600010 2101011200020 2626264000025 4202022400040 5252528000050 10505056000100 21010112000200