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1202103031201 = 3973027967333
BaseRepresentation
bin10001011111100010111…
…011001001010110100001
311020220211121221011102221
4101133202323021112201
5124143401333444301
62320123303511041
7152564143113232
oct21374273112641
94226747834387
101202103031201
11423899905606
12174b85a58481
13894861c7477
1442279963089
1521409650da1
hex117e2ec95a1

1202103031201 has 4 divisors (see below), whose sum is σ = 1205130998932. Its totient is φ = 1199075063472.

The previous prime is 1202103031193. The next prime is 1202103031211. The reversal of 1202103031201 is 1021303012021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 829729701025 + 372373330176 = 910895^2 + 610224^2 .

It is a cyclic number.

It is not a de Polignac number, because 1202103031201 - 23 = 1202103031193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1202103031211) 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, 1513983270 + ... + 1513984063.

It is an arithmetic number, because the mean of its divisors is an integer number (301282749733).

Almost surely, 21202103031201 is an apocalyptic number.

It is an amenable number.

1202103031201 is a deficient number, since it is larger than the sum of its proper divisors (3027967731).

1202103031201 is an equidigital number, since it uses as much as digits as its factorization.

1202103031201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3027967730.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1202103031201 its reverse (1021303012021), we get a palindrome (2223406043222).

The spelling of 1202103031201 in words is "one trillion, two hundred two billion, one hundred three million, thirty-one thousand, two hundred one".

Divisors: 1 397 3027967333 1202103031201