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51060278080 = 265722794767
BaseRepresentation
bin101111100011011011…
…100000001101000000
311212210110220212201101
4233203123200031000
51314032412344310
635242354544144
73455215126330
oct574333401500
9155713825641
1051060278080
111a722217729
129a8bb98054
134a796235c6
14268548d0c0
1514dc9d143a
hexbe36e0340

51060278080 has 56 divisors (see below), whose sum is σ = 138956905728. Its totient is φ = 17506380288.

The previous prime is 51060278077. The next prime is 51060278081. The reversal of 51060278080 is 8087206015.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51060278081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11395144 + ... + 11399623.

Almost surely, 251060278080 is an apocalyptic number.

It is an amenable number.

51060278080 is an abundant number, since it is smaller than the sum of its proper divisors (87896627648).

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

51060278080 is a wasteful number, since it uses less digits than its factorization.

51060278080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22794791 (or 22794781 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 37.

The spelling of 51060278080 in words is "fifty-one billion, sixty million, two hundred seventy-eight thousand, eighty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 112 140 160 224 280 320 448 560 1120 2240 22794767 45589534 91179068 113973835 159563369 182358136 227947670 319126738 364716272 455895340 638253476 729432544 797816845 911790680 1276506952 1458865088 1595633690 1823581360 2553013904 3191267380 3647162720 5106027808 6382534760 7294325440 10212055616 12765069520 25530139040 51060278080