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20310353514 = 23211313308953
BaseRepresentation
bin10010111010100101…
…110110011001101010
31221102110111212020100
4102322211312121222
5313043422303024
613155213210230
71316211104433
oct227245663152
957373455210
1020310353514
118682735230
123b29a90976
131bb8a8c179
14da95d248a
157dd1227c9
hex4ba97666a

20310353514 has 48 divisors (see below), whose sum is σ = 49554895104. Its totient is φ = 5956113600.

The previous prime is 20310353473. The next prime is 20310353519. The reversal of 20310353514 is 41535301302.

20310353514 is a `hidden beast` number, since 20 + 3 + 103 + 535 + 1 + 4 = 666.

It is not an unprimeable number, because it can be changed into a prime (20310353519) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1648339 + ... + 1660614.

It is an arithmetic number, because the mean of its divisors is an integer number (1032393648).

Almost surely, 220310353514 is an apocalyptic number.

20310353514 is an abundant number, since it is smaller than the sum of its proper divisors (29244541590).

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

20310353514 is a wasteful number, since it uses less digits than its factorization.

20310353514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3309003 (or 3309000 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

Adding to 20310353514 its reverse (41535301302), we get a palindrome (61845654816).

The spelling of 20310353514 in words is "twenty billion, three hundred ten million, three hundred fifty-three thousand, five hundred fourteen".

Divisors: 1 2 3 6 9 11 18 22 31 33 62 66 93 99 186 198 279 341 558 682 1023 2046 3069 6138 3308953 6617906 9926859 19853718 29780577 36398483 59561154 72796966 102577543 109195449 205155086 218390898 307732629 327586347 615465258 655172694 923197887 1128352973 1846395774 2256705946 3385058919 6770117838 10155176757 20310353514