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3201121003 = 16333195991
BaseRepresentation
bin1011111011001101…
…0011101011101011
322021002110210111011
42332303103223223
523023441333003
61245351044351
7142220036203
oct27663235353
98232423434
103201121003
1113a2a49653
127540706b7
133c0271b52
142251db403
1513b07046d
hexbecd3aeb

3201121003 has 4 divisors (see below), whose sum is σ = 3201333328. Its totient is φ = 3200908680.

The previous prime is 3201120991. The next prime is 3201121013. The reversal of 3201121003 is 3001211023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3001211023 = 22671323869.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3201121003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3201121013) 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, 81663 + ... + 114328.

It is an arithmetic number, because the mean of its divisors is an integer number (800333332).

Almost surely, 23201121003 is an apocalyptic number.

3201121003 is a deficient number, since it is larger than the sum of its proper divisors (212325).

3201121003 is a wasteful number, since it uses less digits than its factorization.

3201121003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212324.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 3201121003 is about 56578.4499876057. The cubic root of 3201121003 is about 1473.7846547984.

Adding to 3201121003 its reverse (3001211023), we get a palindrome (6202332026).

The spelling of 3201121003 in words is "three billion, two hundred one million, one hundred twenty-one thousand, three".

Divisors: 1 16333 195991 3201121003