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20001202103 = 1091567117101
BaseRepresentation
bin10010101000001010…
…100001111110110111
31220121220210100020002
4102220022201332313
5311430301431403
613104411101515
71305435261401
oct225012417667
956556710202
1020001202103
1185341801a3
123a6244189b
131b69a08b3c
14d7a519b71
157c0e07188
hex4a82a1fb7

20001202103 has 8 divisors (see below), whose sum is σ = 20197752960. Its totient is φ = 19804888800.

The previous prime is 20001202057. The next prime is 20001202127. The reversal of 20001202103 is 30120210002.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20001202103 - 232 = 15706234807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20001202153) 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, 112253 + ... + 229353.

It is an arithmetic number, because the mean of its divisors is an integer number (2524719120).

Almost surely, 220001202103 is an apocalyptic number.

20001202103 is a deficient number, since it is larger than the sum of its proper divisors (196550857).

20001202103 is a wasteful number, since it uses less digits than its factorization.

20001202103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118777.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 20001202103 its reverse (30120210002), we get a palindrome (50121412105).

The spelling of 20001202103 in words is "twenty billion, one million, two hundred two thousand, one hundred three".

Divisors: 1 109 1567 117101 170803 12764009 183497267 20001202103