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3111725425 = 52127980071
BaseRepresentation
bin1011100101111001…
…0010100101110001
322000212021000210211
42321132102211301
522333100203200
61232435024121
7140053141534
oct27136224561
98025230724
103111725425
111357540406
1272a13b041
133a78a2063
142173aaa1b
151332b2aba
hexb9792971

3111725425 has 12 divisors (see below), whose sum is σ = 3888925696. Its totient is φ = 2469776400.

The previous prime is 3111725413. The next prime is 3111725429. The reversal of 3111725425 is 5245271113.

It is not a de Polignac number, because 3111725425 - 225 = 3078170993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3111725429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 486861 + ... + 493210.

Almost surely, 23111725425 is an apocalyptic number.

It is an amenable number.

3111725425 is a deficient number, since it is larger than the sum of its proper divisors (777200271).

3111725425 is a wasteful number, since it uses less digits than its factorization.

3111725425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980208 (or 980203 counting only the distinct ones).

The product of its digits is 8400, while the sum is 31.

The square root of 3111725425 is about 55782.8416719693. The cubic root of 3111725425 is about 1459.9357926664.

Adding to 3111725425 its reverse (5245271113), we get a palindrome (8356996538).

The spelling of 3111725425 in words is "three billion, one hundred eleven million, seven hundred twenty-five thousand, four hundred twenty-five".

Divisors: 1 5 25 127 635 3175 980071 4900355 24501775 124469017 622345085 3111725425