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20012501203 = 191636461899
BaseRepresentation
bin10010101000110101…
…101000100011010011
31220122201001101200021
4102220311220203103
5311441200014303
613105453204311
71305633311362
oct225065504323
956581041607
1020012501203
11853a5983a2
123a66190697
131b6c163ab6
14d7bc1b7d9
157c1dd9ebd
hex4a8d688d3

20012501203 has 8 divisors (see below), whose sum is σ = 21195032000. Its totient is φ = 18842894568.

The previous prime is 20012501191. The next prime is 20012501291. The reversal of 20012501203 is 30210521002.

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-20012501203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20012561203) 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, 3227853 + ... + 3234046.

It is an arithmetic number, because the mean of its divisors is an integer number (2649379000).

Almost surely, 220012501203 is an apocalyptic number.

20012501203 is a deficient number, since it is larger than the sum of its proper divisors (1182530797).

20012501203 is a wasteful number, since it uses less digits than its factorization.

20012501203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6462081.

The product of its (nonzero) digits is 120, while the sum is 16.

The spelling of 20012501203 in words is "twenty billion, twelve million, five hundred one thousand, two hundred three".

Divisors: 1 19 163 3097 6461899 122776081 1053289537 20012501203