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3120513401 = 8337596547
BaseRepresentation
bin1011100111111111…
…0100000101111001
322001110210111122102
42321333310011321
522342322412101
61233351233145
7140220632465
oct27177640571
98043714572
103120513401
1113614a29a5
127310787b5
133a965b045
142186174a5
15133e4b86b
hexb9ff4179

3120513401 has 4 divisors (see below), whose sum is σ = 3158110032. Its totient is φ = 3082916772.

The previous prime is 3120513391. The next prime is 3120513467. The reversal of 3120513401 is 1043150213.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3120513401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3120513491) 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, 18798191 + ... + 18798356.

It is an arithmetic number, because the mean of its divisors is an integer number (789527508).

Almost surely, 23120513401 is an apocalyptic number.

It is an amenable number.

3120513401 is a deficient number, since it is larger than the sum of its proper divisors (37596631).

3120513401 is an equidigital number, since it uses as much as digits as its factorization.

3120513401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37596630.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 3120513401 is about 55861.5556621904. Note that the first 3 decimals coincide. The cubic root of 3120513401 is about 1461.3088595923.

Adding to 3120513401 its reverse (1043150213), we get a palindrome (4163663614).

The spelling of 3120513401 in words is "three billion, one hundred twenty million, five hundred thirteen thousand, four hundred one".

Divisors: 1 83 37596547 3120513401