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13103203211201 = 149105138364973
BaseRepresentation
bin1011111010101101001111…
…0001011101011111000001
31201101122122202112212020002
42332223103301131133001
53204140330010224301
643511310051325345
72521450406413145
oct276532361353701
951348582485202
1013103203211201
1141a2045681884
1215775a42b0855
1374081bcbc1ac
143342ac669225
1517ac9ec0616b
hexbead3c5d7c1

13103203211201 has 8 divisors (see below), whose sum is σ = 13192400495400. Its totient is φ = 13014022678272.

The previous prime is 13103203211191. The next prime is 13103203211207. The reversal of 13103203211201 is 10211230230131.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 124044135601 + 12979159075600 = 352199^2 + 3602660^2 .

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-13103203211201 is a prime.

It is a super-4 number, since 4×131032032112014 (a number of 54 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13103203211207) 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, 2616050 + ... + 5748923.

It is an arithmetic number, because the mean of its divisors is an integer number (1649050061925).

Almost surely, 213103203211201 is an apocalyptic number.

It is an amenable number.

13103203211201 is a deficient number, since it is larger than the sum of its proper divisors (89197284199).

13103203211201 is a wasteful number, since it uses less digits than its factorization.

13103203211201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8375635.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 13103203211201 its reverse (10211230230131), we get a palindrome (23314433441332).

The spelling of 13103203211201 in words is "thirteen trillion, one hundred three billion, two hundred three million, two hundred eleven thousand, two hundred one".

Divisors: 1 149 10513 1566437 8364973 1246380977 87940961149 13103203211201