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3103122012 = 2232549101449
BaseRepresentation
bin1011100011110101…
…1110001001011100
322000021001221010220
42320331132021130
522323344401022
61231530401340
7136620046644
oct27075361134
98007057126
103103122012
1113526a4551
12727290250
133a5b7c093
142161ab524
1513266385c
hexb8f5e25c

3103122012 has 24 divisors (see below), whose sum is σ = 7243530000. Its totient is φ = 1033958016.

The previous prime is 3103121993. The next prime is 3103122017. The reversal of 3103122012 is 2102213013.

It is a junction number, because it is equal to n+sod(n) for n = 3103121982 and 3103122000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3103122017) 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, 20137 + ... + 81312.

It is an arithmetic number, because the mean of its divisors is an integer number (301813750).

Almost surely, 23103122012 is an apocalyptic number.

It is an amenable number.

3103122012 is an abundant number, since it is smaller than the sum of its proper divisors (4140407988).

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

3103122012 is a wasteful number, since it uses less digits than its factorization.

3103122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104005 (or 104003 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 3103122012 is about 55705.6730683689. The cubic root of 3103122012 is about 1458.5890559935.

Adding to 3103122012 its reverse (2102213013), we get a palindrome (5205335025).

The spelling of 3103122012 in words is "three billion, one hundred three million, one hundred twenty-two thousand, twelve".

Divisors: 1 2 3 4 6 12 2549 5098 7647 10196 15294 30588 101449 202898 304347 405796 608694 1217388 258593501 517187002 775780503 1034374004 1551561006 3103122012