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20203110323100 = 2235521748906101
BaseRepresentation
bin1001001011111111001110…
…01101101101001110011100
32122112101202111100222100000
410211333213031231032130
510122001432220314400
6110545103013134300
74153424623210155
oct445774715551634
978471674328300
1020203110323100
11648a1000a0aa1
1223235b892a390
13b371b6b03883
144dbb9b46292c
152507e13e2600
hex125fe736d39c

20203110323100 has 216 divisors, whose sum is σ = 69533913325968. Its totient is φ = 5070584448000.

The previous prime is 20203110323093. The next prime is 20203110323177. The reversal of 20203110323100 is 132301130202.

20203110323100 is a `hidden beast` number, since 2 + 0 + 20 + 311 + 0 + 323 + 10 + 0 = 666.

It is a super-2 number, since 2×202031103231002 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 24039951 + ... + 24866150.

It is an arithmetic number, because the mean of its divisors is an integer number (321916265398).

Almost surely, 220203110323100 is an apocalyptic number.

20203110323100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20203110323100 is an abundant number, since it is smaller than the sum of its proper divisors (49330803002868).

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

20203110323100 is a wasteful number, since it uses less digits than its factorization.

20203110323100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48906147 (or 48906128 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 20203110323100 its reverse (132301130202), we get a palindrome (20335411453302).

The spelling of 20203110323100 in words is "twenty trillion, two hundred three billion, one hundred ten million, three hundred twenty-three thousand, one hundred".