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20103540630 = 235670118021
BaseRepresentation
bin10010101110010000…
…111010111110010110
31220220001100200021220
4102232100322332112
5312133001300010
613122504351210
71311120163425
oct225620727626
956801320256
1020103540630
118586a19698
123a90775506
131b84c8ab94
14d89d592bc
157c9dbe970
hex4ae43af96

20103540630 has 16 divisors (see below), whose sum is σ = 48248497584. Its totient is φ = 5360944160.

The previous prime is 20103540593. The next prime is 20103540647. The reversal of 20103540630 is 3604530102.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20103540630.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335058981 + ... + 335059040.

It is an arithmetic number, because the mean of its divisors is an integer number (3015531099).

Almost surely, 220103540630 is an apocalyptic number.

20103540630 is an abundant number, since it is smaller than the sum of its proper divisors (28144956954).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20103540630 is a wasteful number, since it uses less digits than its factorization.

20103540630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670118031.

The product of its (nonzero) digits is 2160, while the sum is 24.

The spelling of 20103540630 in words is "twenty billion, one hundred three million, five hundred forty thousand, six hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 670118021 1340236042 2010354063 3350590105 4020708126 6701180210 10051770315 20103540630