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51480034576 = 24171935328219
BaseRepresentation
bin101111111100011100…
…101111110100010000
311220212201202201101021
4233330130233310100
51320412342101301
635352151445224
73501503034235
oct577434576420
9156781681337
1051480034576
111a918156a23
129b88686814
134b15591529
1426c511778c
1515147988a1
hexbfc72fd10

51480034576 has 80 divisors (see below), whose sum is σ = 111487060800. Its totient is φ = 22885023744.

The previous prime is 51480034547. The next prime is 51480034591. The reversal of 51480034576 is 67543008415.

It is a super-3 number, since 3×514800345763 (a number of 33 digits) contains 333 as substring.

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, 1810195 + ... + 1838413.

It is an arithmetic number, because the mean of its divisors is an integer number (1393588260).

Almost surely, 251480034576 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51480034576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55743530400).

51480034576 is an abundant number, since it is smaller than the sum of its proper divisors (60007026224).

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

51480034576 is a wasteful number, since it uses less digits than its factorization.

51480034576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28616 (or 28610 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 43.

The spelling of 51480034576 in words is "fifty-one billion, four hundred eighty million, thirty-four thousand, five hundred seventy-six".

Divisors: 1 2 4 8 16 17 19 34 38 68 76 136 152 272 304 323 353 646 706 1292 1412 2584 2824 5168 5648 6001 6707 12002 13414 24004 26828 28219 48008 53656 56438 96016 107312 112876 114019 225752 228038 451504 456076 479723 536161 912152 959446 1072322 1824304 1918892 2144644 3837784 4289288 7675568 8578576 9114737 9961307 18229474 19922614 36458948 39845228 72917896 79690456 145835792 159380912 169342219 189264833 338684438 378529666 677368876 757059332 1354737752 1514118664 2709475504 3028237328 3217502161 6435004322 12870008644 25740017288 51480034576