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51105050001103 = 735320681930393
BaseRepresentation
bin10111001111010110100100…
…10110011111111011001111
320200221121001210200200001111
423213223102112133323033
523144301120300013403
6300405200313552451
713523134531434010
oct1347532226377317
9220847053620044
1051105050001103
111531359146870a
125894601a15727
132269254815887
14c896d766b007
155d955db4256d
hex2e7ad259fecf

51105050001103 has 8 divisors (see below), whose sum is σ = 58571226875808. Its totient is φ = 43680236987904.

The previous prime is 51105050001101. The next prime is 51105050001113. The reversal of 51105050001103 is 30110005050115.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51105050001103 - 21 = 51105050001101 is a prime.

It is a super-2 number, since 2×511050500011032 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51105050001101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10340962726 + ... + 10340967667.

It is an arithmetic number, because the mean of its divisors is an integer number (7321403359476).

Almost surely, 251105050001103 is an apocalyptic number.

51105050001103 is a deficient number, since it is larger than the sum of its proper divisors (7466176874705).

51105050001103 is a wasteful number, since it uses less digits than its factorization.

51105050001103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20681930753.

The product of its (nonzero) digits is 375, while the sum is 22.

Adding to 51105050001103 its reverse (30110005050115), we get a palindrome (81215055051218).

The spelling of 51105050001103 in words is "fifty-one trillion, one hundred five billion, fifty million, one thousand, one hundred three".

Divisors: 1 7 353 2471 20681930393 144773512751 7300721428729 51105050001103