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20000230103 = 7293129310847
BaseRepresentation
bin10010101000000110…
…110100101011010111
31220121211221221220002
4102220012310223113
5311430024330403
613104334201515
71305424102520
oct225006645327
956554857802
1020000230103
118533676997
123a6205329b
131b697585a9
14d7a345847
157c0cb4188
hex4a81b4ad7

20000230103 has 32 divisors (see below), whose sum is σ = 24493916160. Its totient is φ = 15961841280.

The previous prime is 20000230039. The next prime is 20000230123. The reversal of 20000230103 is 30103200002.

It is not a de Polignac number, because 20000230103 - 26 = 20000230039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20000230123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1838426 + ... + 1849272.

It is an arithmetic number, because the mean of its divisors is an integer number (765434880).

Almost surely, 220000230103 is an apocalyptic number.

20000230103 is a deficient number, since it is larger than the sum of its proper divisors (4493686057).

20000230103 is a wasteful number, since it uses less digits than its factorization.

20000230103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11207.

The product of its (nonzero) digits is 36, while the sum is 11.

Adding to 20000230103 its reverse (30103200002), we get a palindrome (50103430105).

It can be divided in two parts, 200002 and 30103, that multiplied together give a palindrome (6020660206).

The spelling of 20000230103 in words is "twenty billion, two hundred thirty thousand, one hundred three".

Divisors: 1 7 29 31 203 217 293 899 2051 6293 8497 9083 10847 59479 63581 75929 263407 314563 336257 1843849 2201941 2353799 3178171 9751453 22247197 68260171 92166959 98523301 645168713 689663107 2857175729 20000230103