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51155324303123 = 1912383112391491
BaseRepresentation
bin10111010000110100001101…
…11011101111011100010011
320201010101211111122211022102
423220122012323233130103
523201112101010144443
6300444233114431015
713526564424106055
oct1350320673573423
9221111744584272
1051155324303123
111533293aa52947
1258a22b273246b
132270c07356591
14c8bd065a18d5
155daa0261bcb8
hex2e8686eef713

51155324303123 has 8 divisors (see below), whose sum is σ = 51444732850176. Its totient is φ = 50866140544200.

The previous prime is 51155324303107. The next prime is 51155324303243. The reversal of 51155324303123 is 32130342355115.

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 51155324303123 - 24 = 51155324303107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51155324302123) 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, 55740593 + ... + 56650898.

It is an arithmetic number, because the mean of its divisors is an integer number (6430591606272).

Almost surely, 251155324303123 is an apocalyptic number.

51155324303123 is a deficient number, since it is larger than the sum of its proper divisors (289408547053).

51155324303123 is a wasteful number, since it uses less digits than its factorization.

51155324303123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112394065.

The product of its (nonzero) digits is 162000, while the sum is 38.

Adding to 51155324303123 its reverse (32130342355115), we get a palindrome (83285666658238).

The spelling of 51155324303123 in words is "fifty-one trillion, one hundred fifty-five billion, three hundred twenty-four million, three hundred three thousand, one hundred twenty-three".

Divisors: 1 191 2383 455153 112391491 21466774781 267828923053 51155324303123