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20000320310 = 2517476174057
BaseRepresentation
bin10010101000000111…
…001010101100110110
31220121212010112122002
4102220013022230312
5311430040222220
613104340135302
71305424626515
oct225007125466
956555115562
1020000320310
118533728743
123a62097532
131b6978a679
14d7a36a67c
157c0cd0c75
hex4a81cab36

20000320310 has 64 divisors (see below), whose sum is σ = 39001989888. Its totient is φ = 7355572224.

The previous prime is 20000320309. The next prime is 20000320337. The reversal of 20000320310 is 1302300002.

It is a super-2 number, since 2×200003203102 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20000320291 and 20000320300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4927802 + ... + 4931858.

It is an arithmetic number, because the mean of its divisors is an integer number (609406092).

Almost surely, 220000320310 is an apocalyptic number.

20000320310 is a deficient number, since it is larger than the sum of its proper divisors (19001669578).

20000320310 is a wasteful number, since it uses less digits than its factorization.

20000320310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4745.

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

Adding to 20000320310 its reverse (1302300002), we get a palindrome (21302620312).

The spelling of 20000320310 in words is "twenty billion, three hundred twenty thousand, three hundred ten".

Divisors: 1 2 5 10 17 34 47 85 94 170 235 470 617 799 1234 1598 3085 3995 4057 6170 7990 8114 10489 20285 20978 28999 40570 52445 57998 68969 104890 137938 144995 190679 289990 344845 381358 492983 689690 953395 985966 1906790 2464915 2503169 3241543 4929830 5006338 6483086 12515845 16207715 25031690 32415430 42553873 85107746 117648943 212769365 235297886 425538730 588244715 1176489430 2000032031 4000064062 10000160155 20000320310