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13000120203 = 372921346667
BaseRepresentation
bin11000001101101111…
…00001011110001011
31020120000000112100110
430012313201132023
5203111012321303
65545553405403
7640104125040
oct140667413613
936500015313
1013000120203
1155712577a4
122629869863
1312c2414625
148b479b1c7
15511477703
hex306de178b

13000120203 has 16 divisors (see below), whose sum is σ = 20492801280. Its totient is φ = 7172479776.

The previous prime is 13000120193. The next prime is 13000120219. The reversal of 13000120203 is 30202100031.

It is a happy number.

It is not a de Polignac number, because 13000120203 - 24 = 13000120187 is a prime.

It is a super-2 number, since 2×130001202032 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13000120253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10672725 + ... + 10673942.

It is an arithmetic number, because the mean of its divisors is an integer number (1280800080).

Almost surely, 213000120203 is an apocalyptic number.

13000120203 is a deficient number, since it is larger than the sum of its proper divisors (7492681077).

13000120203 is a wasteful number, since it uses less digits than its factorization.

13000120203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21346706.

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 13000120203 its reverse (30202100031), we get a palindrome (43202220234).

The spelling of 13000120203 in words is "thirteen billion, one hundred twenty thousand, two hundred three".

Divisors: 1 3 7 21 29 87 203 609 21346667 64040001 149426669 448280007 619053343 1857160029 4333373401 13000120203