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3102100120 = 235711078929
BaseRepresentation
bin1011100011100110…
…0100101010011000
322000012011000101001
42320321210222120
522323114200440
61231452434344
7136605262450
oct27071445230
98005130331
103102100120
111352066809
12726a789b4
133a58b1c02
14215dc2d60
15132510b9a
hexb8e64a98

3102100120 has 32 divisors (see below), whose sum is σ = 7976829600. Its totient is φ = 1063577088.

The previous prime is 3102100117. The next prime is 3102100129. The reversal of 3102100120 is 210012013.

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

It is a junction number, because it is equal to n+sod(n) for n = 3102100097 and 3102100106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3102100129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5539185 + ... + 5539744.

It is an arithmetic number, because the mean of its divisors is an integer number (249275925).

Almost surely, 23102100120 is an apocalyptic number.

It is an amenable number.

3102100120 is an abundant number, since it is smaller than the sum of its proper divisors (4874729480).

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

3102100120 is a wasteful number, since it uses less digits than its factorization.

3102100120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11078947 (or 11078943 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 3102100120 is about 55696.5000695735. The cubic root of 3102100120 is about 1458.4289286414.

Adding to 3102100120 its reverse (210012013), we get a palindrome (3312112133).

The spelling of 3102100120 in words is "three billion, one hundred two million, one hundred thousand, one hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 11078929 22157858 44315716 55394645 77552503 88631432 110789290 155105006 221578580 310210012 387762515 443157160 620420024 775525030 1551050060 3102100120