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51423222341142 = 23219871437768337
BaseRepresentation
bin10111011000100111001101…
…11001101001111000010110
320202002000022210002012220200
423230103212321221320112
523220004224404404032
6301211300251241330
713555130246624511
oct1354234671517026
9222060283065820
1051423222341142
1115426514457a53
1259261b9149246
13229025c4961c2
14c9ac7c05bd78
155e298189d47c
hex2ec4e6e69e16

51423222341142 has 24 divisors (see below), whose sum is σ = 111473054781816. Its totient is φ = 17132447491776.

The previous prime is 51423222341131. The next prime is 51423222341143. The reversal of 51423222341142 is 24114322232415.

51423222341142 is a `hidden beast` number, since 5 + 1 + 4 + 232 + 2 + 2 + 3 + 411 + 4 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 51423222341097 and 51423222341106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51423222341143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 718848403 + ... + 718919934.

It is an arithmetic number, because the mean of its divisors is an integer number (4644710615909).

Almost surely, 251423222341142 is an apocalyptic number.

51423222341142 is an abundant number, since it is smaller than the sum of its proper divisors (60049832440674).

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

51423222341142 is a wasteful number, since it uses less digits than its factorization.

51423222341142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1437770332 (or 1437770329 counting only the distinct ones).

The product of its digits is 92160, while the sum is 36.

Adding to 51423222341142 its reverse (24114322232415), we get a palindrome (75537544573557).

The spelling of 51423222341142 in words is "fifty-one trillion, four hundred twenty-three billion, two hundred twenty-two million, three hundred forty-one thousand, one hundred forty-two".

Divisors: 1 2 3 6 9 18 1987 3974 5961 11922 17883 35766 1437768337 2875536674 4313305011 8626610022 12939915033 25879830066 2856845685619 5713691371238 8570537056857 17141074113714 25711611170571 51423222341142