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3121200010 = 25634349207
BaseRepresentation
bin1011101000001001…
…1011101110001010
322001112002101111101
42322002123232022
522343011400020
61233414052014
7140226522325
oct27202335612
98045071441
103121200010
111361921845
1273134a00a
133a983b716
142187557bc
1513403500a
hexba09bb8a

3121200010 has 16 divisors (see below), whose sum is σ = 5619159936. Its totient is φ = 1248257808.

The previous prime is 3121199971. The next prime is 3121200013. The reversal of 3121200010 is 100021213.

3121200010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 3121200010.

It is not an unprimeable number, because it can be changed into a prime (3121200013) 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, 38827 + ... + 88033.

It is an arithmetic number, because the mean of its divisors is an integer number (351197496).

Almost surely, 23121200010 is an apocalyptic number.

3121200010 is a deficient number, since it is larger than the sum of its proper divisors (2497959926).

3121200010 is a wasteful number, since it uses less digits than its factorization.

3121200010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55557.

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

The square root of 3121200010 is about 55867.7009550241. The cubic root of 3121200010 is about 1461.4160293756.

Adding to 3121200010 its reverse (100021213), we get a palindrome (3221221223).

The spelling of 3121200010 in words is "three billion, one hundred twenty-one million, two hundred thousand, ten".

Divisors: 1 2 5 10 6343 12686 31715 49207 63430 98414 246035 492070 312120001 624240002 1560600005 3121200010