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1400125201 = 4093423289
BaseRepresentation
bin101001101110100…
…0011011100010001
310121120120201200221
41103131003130101
510331413001301
6350533313041
746460603446
oct12335033421
93546521627
101400125201
11659374872
12330a95781
131940c3767
14d3d459cd
1582dbbda1
hex53743711

1400125201 has 4 divisors (see below), whose sum is σ = 1403548900. Its totient is φ = 1396701504.

The previous prime is 1400125187. The next prime is 1400125217. The reversal of 1400125201 is 1025210041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1025210041 = 1760306473.

It can be written as a sum of positive squares in 2 ways, for example, as 1253230801 + 146894400 = 35401^2 + 12120^2 .

It is a cyclic number.

It is not a de Polignac number, because 1400125201 - 213 = 1400117009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1400125241) 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, 1711236 + ... + 1712053.

It is an arithmetic number, because the mean of its divisors is an integer number (350887225).

Almost surely, 21400125201 is an apocalyptic number.

It is an amenable number.

1400125201 is a deficient number, since it is larger than the sum of its proper divisors (3423699).

1400125201 is an equidigital number, since it uses as much as digits as its factorization.

1400125201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3423698.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 1400125201 is about 37418.2468990732. The cubic root of 1400125201 is about 1118.7222889384.

Adding to 1400125201 its reverse (1025210041), we get a palindrome (2425335242).

The spelling of 1400125201 in words is "one billion, four hundred million, one hundred twenty-five thousand, two hundred one".

Divisors: 1 409 3423289 1400125201