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1252103472101 = 1939836599779
BaseRepresentation
bin10010001110000111001…
…011101100001111100101
311102200220020120201212102
4102032013023230033211
5131003301442101401
62355113002501445
7156314201623346
oct22160713541745
94380806521772
101252103472101
11443017849939
121827bab04885
13910c408ca81
144486036a0cd
152288408156b
hex123872ec3e5

1252103472101 has 8 divisors (see below), whose sum is σ = 1259871602880. Its totient is φ = 1244348543232.

The previous prime is 1252103472091. The next prime is 1252103472143. The reversal of 1252103472101 is 1012743012521.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1252103472101 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252103472161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3110171 + ... + 3489608.

It is an arithmetic number, because the mean of its divisors is an integer number (157483950360).

Almost surely, 21252103472101 is an apocalyptic number.

It is an amenable number.

1252103472101 is a deficient number, since it is larger than the sum of its proper divisors (7768130779).

1252103472101 is an equidigital number, since it uses as much as digits as its factorization.

1252103472101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6600955.

The product of its (nonzero) digits is 3360, while the sum is 29.

Adding to 1252103472101 its reverse (1012743012521), we get a palindrome (2264846484622).

The spelling of 1252103472101 in words is "one trillion, two hundred fifty-two billion, one hundred three million, four hundred seventy-two thousand, one hundred one".

Divisors: 1 193 983 189719 6599779 1273757347 6487582757 1252103472101