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1200130033 = 5920341187
BaseRepresentation
bin100011110001000…
…1000011111110001
310002122020220220111
41013202020133301
54424213130113
6315030541321
741511636244
oct10742103761
93078226814
101200130033
11566495503
12295b07841
1316183b71b
14b556525b
157056413d
hex478887f1

1200130033 has 4 divisors (see below), whose sum is σ = 1220471280. Its totient is φ = 1179788788.

The previous prime is 1200130021. The next prime is 1200130049. The reversal of 1200130033 is 3300310021.

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: 3300310021 = 19139172439.

It is a cyclic number.

It is not a de Polignac number, because 1200130033 - 221 = 1198032881 is a prime.

It is a super-2 number, since 2×12001300332 = 2880624192217162178, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1200129995 and 1200130022.

It is not an unprimeable number, because it can be changed into a prime (1200110033) 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, 10170535 + ... + 10170652.

It is an arithmetic number, because the mean of its divisors is an integer number (305117820).

Almost surely, 21200130033 is an apocalyptic number.

It is an amenable number.

1200130033 is a deficient number, since it is larger than the sum of its proper divisors (20341247).

1200130033 is an equidigital number, since it uses as much as digits as its factorization.

1200130033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20341246.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 1200130033 is about 34642.8929652245. The cubic root of 1200130033 is about 1062.6969513190.

Adding to 1200130033 its reverse (3300310021), we get a palindrome (4500440054).

The spelling of 1200130033 in words is "one billion, two hundred million, one hundred thirty thousand, thirty-three".

Divisors: 1 59 20341187 1200130033