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103100032020 = 22352250176367
BaseRepresentation
bin110000000000100111…
…1011010010000010100
3100212010012220021201110
41200001033122100110
53142122102011040
6115210303255020
710306625545506
oct1400117322024
9325105807643
10103100032020
113a7a730a037
1217b93baa470
139950b4920b
144dc0a65d76
152a3648c980
hex18013da414

103100032020 has 48 divisors (see below), whose sum is σ = 288696699648. Its totient is φ = 27491760000.

The previous prime is 103100032003. The next prime is 103100032031. The reversal of 103100032020 is 20230001301.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 103100031987 and 103100032005.

It is a congruent number.

It is an unprimeable number.

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, 1311877 + ... + 1388243.

It is an arithmetic number, because the mean of its divisors is an integer number (6014514576).

Almost surely, 2103100032020 is an apocalyptic number.

103100032020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103100032020 is an abundant number, since it is smaller than the sum of its proper divisors (185596667628).

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

103100032020 is a wasteful number, since it uses less digits than its factorization.

103100032020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98880 (or 98878 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 103100032020 its reverse (20230001301), we get a palindrome (123330033321).

The spelling of 103100032020 in words is "one hundred three billion, one hundred million, thirty-two thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 22501 45002 67503 76367 90004 112505 135006 152734 225010 229101 270012 305468 337515 381835 450020 458202 675030 763670 916404 1145505 1350060 1527340 2291010 4582020 1718333867 3436667734 5155001601 6873335468 8591669335 10310003202 17183338670 20620006404 25775008005 34366677340 51550016010 103100032020