Base | Representation |
---|---|
bin | 10111011100010011011100… |
… | …00101101011101100100100 |
3 | 20202112010200020021212221020 |
4 | 23232021232011223230210 |
5 | 23224043442341020202 |
6 | 301345432525451140 |
7 | 13600240105135542 |
oct | 1356115605535444 |
9 | 222463606255836 |
10 | 51550044470052 |
11 | 15475284218537 |
12 | 59468b1710ab0 |
13 | 229c1c0b7962b |
14 | ca306d45cd92 |
15 | 5e5e057355bc |
hex | 2ee26e16bb24 |
51550044470052 has 48 divisors (see below), whose sum is σ = 120421674584064. Its totient is φ = 17163608320000.
The previous prime is 51550044470021. The next prime is 51550044470081. The reversal of 51550044470052 is 25007444005515.
It is a junction number, because it is equal to n+sod(n) for n = 51550044469986 and 51550044470013.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48939652 + ... + 49981892.
It is an arithmetic number, because the mean of its divisors is an integer number (2508784887168).
Almost surely, 251550044470052 is an apocalyptic number.
It is an amenable number.
51550044470052 is an abundant number, since it is smaller than the sum of its proper divisors (68871630114012).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51550044470052 is a wasteful number, since it uses less digits than its factorization.
51550044470052 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1046980 (or 1046978 counting only the distinct ones).
The product of its (nonzero) digits is 560000, while the sum is 42.
Adding to 51550044470052 its reverse (25007444005515), we get a palindrome (76557488475567).
The spelling of 51550044470052 in words is "fifty-one trillion, five hundred fifty billion, forty-four million, four hundred seventy thousand, fifty-two".
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