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100130052012 = 2238344171001
BaseRepresentation
bin101110101000000110…
…1110101011110101100
3100120110020100200001220
41131100031311132230
53120031243131022
6113555450303340
710143213253614
oct1352015653654
9316406320056
10100130052012
1139512893101
12174a5427b50
139599745ab3
144bbc435a44
15291087885c
hex17503757ac

100130052012 has 12 divisors (see below), whose sum is σ = 233636788056. Its totient is φ = 33376684000.

The previous prime is 100130051999. The next prime is 100130052013. The reversal of 100130052012 is 210250031001.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 100130051982 and 100130052000.

It is not an unprimeable number, because it can be changed into a prime (100130052013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4172085489 + ... + 4172085512.

It is an arithmetic number, because the mean of its divisors is an integer number (19469732338).

Almost surely, 2100130052012 is an apocalyptic number.

100130052012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100130052012 is an abundant number, since it is smaller than the sum of its proper divisors (133506736044).

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

100130052012 is a wasteful number, since it uses less digits than its factorization.

100130052012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8344171008 (or 8344171006 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

Adding to 100130052012 its reverse (210250031001), we get a palindrome (310380083013).

The spelling of 100130052012 in words is "one hundred billion, one hundred thirty million, fifty-two thousand, twelve".

Divisors: 1 2 3 4 6 12 8344171001 16688342002 25032513003 33376684004 50065026006 100130052012