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51550044470052 = 223115135811042241
BaseRepresentation
bin10111011100010011011100…
…00101101011101100100100
320202112010200020021212221020
423232021232011223230210
523224043442341020202
6301345432525451140
713600240105135542
oct1356115605535444
9222463606255836
1051550044470052
1115475284218537
1259468b1710ab0
13229c1c0b7962b
14ca306d45cd92
155e5e057355bc
hex2ee26e16bb24

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".

Divisors: 1 2 3 4 6 12 1151 2302 3453 3581 4604 6906 7162 10743 13812 14324 21486 42972 1042241 2084482 3126723 4121731 4168964 6253446 8243462 12365193 12506892 16486924 24730386 49460772 1199619391 2399238782 3598858173 3732265021 4798477564 7197716346 7464530042 11196795063 14395432692 14929060084 22393590126 44787180252 4295837039171 8591674078342 12887511117513 17183348156684 25775022235026 51550044470052