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3112033121 = 6474809943
BaseRepresentation
bin1011100101111101…
…1101101101100001
322000212211122212222
42321133131231201
522333140024441
61232445400425
7140055562601
oct27137355541
98025748788
103112033121
1113577305aa
1272a269115
133a797c122
1421744ac01
15133323d4b
hexb97ddb61

3112033121 has 4 divisors (see below), whose sum is σ = 3116843712. Its totient is φ = 3107222532.

The previous prime is 3112033091. The next prime is 3112033129. The reversal of 3112033121 is 1213302113.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1213302113 = 3732791949.

It is a cyclic number.

It is not a de Polignac number, because 3112033121 - 222 = 3107838817 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3112033121.

It is not an unprimeable number, because it can be changed into a prime (3112033129) 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, 2404325 + ... + 2405618.

It is an arithmetic number, because the mean of its divisors is an integer number (779210928).

Almost surely, 23112033121 is an apocalyptic number.

It is an amenable number.

3112033121 is a deficient number, since it is larger than the sum of its proper divisors (4810591).

3112033121 is an equidigital number, since it uses as much as digits as its factorization.

3112033121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4810590.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 3112033121 is about 55785.5995844806. The cubic root of 3112033121 is about 1459.9839119075.

Adding to 3112033121 its reverse (1213302113), we get a palindrome (4325335234).

The spelling of 3112033121 in words is "three billion, one hundred twelve million, thirty-three thousand, one hundred twenty-one".

Divisors: 1 647 4809943 3112033121