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20001230310009 = 313512852059231
BaseRepresentation
bin1001000110000111001100…
…01110100100101001111001
32121211002200010111201201010
410203003212032210221321
510110200004424410014
6110312234403544133
74133020063336344
oct443034616445171
977732603451633
1020001230310009
116411524096173
1222b045768b049
13b2115315b320
144d20c97db45b
1524a427dac359
hex1230e63a4a79

20001230310009 has 8 divisors (see below), whose sum is σ = 28719715316992. Its totient is φ = 12308449421520.

The previous prime is 20001230309993. The next prime is 20001230310049. The reversal of 20001230310009 is 90001303210002.

It is a happy number.

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

It is not a de Polignac number, because 20001230310009 - 24 = 20001230309993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20001230310049) 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, 256426029577 + ... + 256426029654.

It is an arithmetic number, because the mean of its divisors is an integer number (3589964414624).

Almost surely, 220001230310009 is an apocalyptic number.

It is an amenable number.

20001230310009 is a deficient number, since it is larger than the sum of its proper divisors (8718485006983).

20001230310009 is a wasteful number, since it uses less digits than its factorization.

20001230310009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512852059247.

The product of its (nonzero) digits is 324, while the sum is 21.

The spelling of 20001230310009 in words is "twenty trillion, one billion, two hundred thirty million, three hundred ten thousand, nine".

Divisors: 1 3 13 39 512852059231 1538556177693 6667076770003 20001230310009