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20103103310 = 252387404797
BaseRepresentation
bin10010101110001111…
…010000001101001110
31220220000112110101212
4102232033100031032
5312132343301220
613122451134422
71311113362433
oct225617201516
956800473355
1020103103310
118586750074
123a905a4412
131b84b66b04
14d89c83b8a
157c9d350c5
hex4ae3d034e

20103103310 has 16 divisors (see below), whose sum is σ = 37758872736. Its totient is φ = 7691622048.

The previous prime is 20103103259. The next prime is 20103103399. The reversal of 20103103310 is 1330130102.

It is a super-2 number, since 2×201031033102 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 43702169 + ... + 43702628.

It is an arithmetic number, because the mean of its divisors is an integer number (2359929546).

Almost surely, 220103103310 is an apocalyptic number.

20103103310 is a deficient number, since it is larger than the sum of its proper divisors (17655769426).

20103103310 is a wasteful number, since it uses less digits than its factorization.

20103103310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87404827.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 20103103310 its reverse (1330130102), we get a palindrome (21433233412).

The spelling of 20103103310 in words is "twenty billion, one hundred three million, one hundred three thousand, three hundred ten".

Divisors: 1 2 5 10 23 46 115 230 87404797 174809594 437023985 874047970 2010310331 4020620662 10051551655 20103103310