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20103244323 = 32310113920753
BaseRepresentation
bin10010101110001111…
…110010101000100011
31220220000210121211120
4102232033302220203
5312132412304243
613122454143323
71311114520521
oct225617625043
956800717746
1020103244323
118586837008
123a90651b43
131b84bb6056
14d89cbd311
157c9d61c83
hex4ae3f2a23

20103244323 has 32 divisors (see below), whose sum is σ = 28451243520. Its totient is φ = 12600614400.

The previous prime is 20103244307. The next prime is 20103244331. The reversal of 20103244323 is 32344230102.

It is not a de Polignac number, because 20103244323 - 24 = 20103244307 is a prime.

It is a super-3 number, since 3×201032443233 (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20103244293 and 20103244302.

It is not an unprimeable number, because it can be changed into a prime (20103244303) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 958315 + ... + 979067.

It is an arithmetic number, because the mean of its divisors is an integer number (889101360).

Almost surely, 220103244323 is an apocalyptic number.

20103244323 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20103244323 is a deficient number, since it is larger than the sum of its proper divisors (8347999197).

20103244323 is a wasteful number, since it uses less digits than its factorization.

20103244323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21019.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 20103244323 its reverse (32344230102), we get a palindrome (52447474425).

The spelling of 20103244323 in words is "twenty billion, one hundred three million, two hundred forty-four thousand, three hundred twenty-three".

Divisors: 1 3 23 69 101 139 303 417 2323 3197 6969 9591 14039 20753 42117 62259 322897 477319 968691 1431957 2096053 2884667 6288159 8654001 48209219 66347341 144627657 199042023 291351367 874054101 6701081441 20103244323