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20010312002 = 290719735591
BaseRepresentation
bin10010101000101101…
…010010000101000010
31220122112221011122202
4102220231102011002
5311440114441002
613105334233202
71305605563022
oct225055220502
956575834582
1020010312002
11853933263a
123a654b5802
131b6b878505
14d7b80ba82
157c1b06502
hex4a8b52142

20010312002 has 16 divisors (see below), whose sum is σ = 30069168192. Its totient is φ = 9987272880.

The previous prime is 20010311987. The next prime is 20010312059. The reversal of 20010312002 is 20021301002.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3576227 + ... + 3581817.

It is an arithmetic number, because the mean of its divisors is an integer number (1879323012).

Almost surely, 220010312002 is an apocalyptic number.

20010312002 is a deficient number, since it is larger than the sum of its proper divisors (10058856190).

20010312002 is a wasteful number, since it uses less digits than its factorization.

20010312002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8473.

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

Adding to 20010312002 its reverse (20021301002), we get a palindrome (40031613004).

The spelling of 20010312002 in words is "twenty billion, ten million, three hundred twelve thousand, two".

Divisors: 1 2 907 1814 1973 3946 5591 11182 1789511 3579022 5071037 10142074 11031043 22062086 10005156001 20010312002