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3125200001 = 71140587013
BaseRepresentation
bin1011101001000110…
…1100010010000001
322001210121121110012
42322101230102001
522400022400001
61234035514305
7140305522160
oct27221542201
98053547405
103125200001
111364104020
12732758995
133aa60c291
142190b73d7
151345752bb
hexba46c481

3125200001 has 8 divisors (see below), whose sum is σ = 3896353344. Its totient is φ = 2435220720.

The previous prime is 3125199989. The next prime is 3125200021. The reversal of 3125200001 is 1000025213.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3125200001 - 214 = 3125183617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3125200021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20293430 + ... + 20293583.

It is an arithmetic number, because the mean of its divisors is an integer number (487044168).

Almost surely, 23125200001 is an apocalyptic number.

It is an amenable number.

3125200001 is a deficient number, since it is larger than the sum of its proper divisors (771153343).

3125200001 is a wasteful number, since it uses less digits than its factorization.

3125200001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40587031.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 3125200001 is about 55903.4882722000. The cubic root of 3125200001 is about 1462.0400581196.

Adding to 3125200001 its reverse (1000025213), we get a palindrome (4125225214).

The spelling of 3125200001 in words is "three billion, one hundred twenty-five million, two hundred thousand, one".

Divisors: 1 7 11 77 40587013 284109091 446457143 3125200001