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51104445344 = 259716464061
BaseRepresentation
bin101111100110000011…
…111111001110100000
311212220120000210210222
4233212003333032200
51314130214222334
635251013342212
73456262422011
oct574603771640
9155816023728
1051104445344
111a7451441a7
129aa2937968
134a85818b94
14268b2a9008
1514e1807d2e
hexbe60ff3a0

51104445344 has 24 divisors (see below), whose sum is σ = 101649118788. Its totient is φ = 25288796160.

The previous prime is 51104445341. The next prime is 51104445349. The reversal of 51104445344 is 44354440115.

It can be written as a sum of positive squares in 2 ways, for example, as 48934748944 + 2169696400 = 221212^2 + 46580^2 .

It is a super-2 number, since 2×511044453442 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51104445341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8228927 + ... + 8235134.

Almost surely, 251104445344 is an apocalyptic number.

It is an amenable number.

51104445344 is a deficient number, since it is larger than the sum of its proper divisors (50544673444).

51104445344 is a wasteful number, since it uses less digits than its factorization.

51104445344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16464168 (or 16464160 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 51104445344 its reverse (44354440115), we get a palindrome (95458885459).

The spelling of 51104445344 in words is "fifty-one billion, one hundred four million, four hundred forty-five thousand, three hundred forty-four".

Divisors: 1 2 4 8 16 32 97 194 388 776 1552 3104 16464061 32928122 65856244 131712488 263424976 526849952 1597013917 3194027834 6388055668 12776111336 25552222672 51104445344