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55771522256770 = 25171897317291297
BaseRepresentation
bin11001010111001010100011…
…10001011100111110000010
321022110201001021111212212221
430223211101301130332002
524302230034144204040
6314341030021241254
714514234212232655
oct1453452161347602
9238421037455787
1055771522256770
111685262a398361
126308a89b6322a
132517302884468
14dab4db12589c
1566ab2a4dd74a
hex32b951c5cf82

55771522256770 has 32 divisors (see below), whose sum is σ = 106299568593648. Its totient is φ = 20995229933568.

The previous prime is 55771522256741. The next prime is 55771522256803. The reversal of 55771522256770 is 7765222517755.

55771522256770 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 36241760532769 + 19529761724001 = 6020113^2 + 4419249^2 .

It is a super-2 number, since 2×557715222567702 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55771522256699 and 55771522256708.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5420239 + ... + 11871058.

Almost surely, 255771522256770 is an apocalyptic number.

55771522256770 is a deficient number, since it is larger than the sum of its proper divisors (50528046336878).

55771522256770 is a wasteful number, since it uses less digits than its factorization.

55771522256770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17310294.

The product of its (nonzero) digits is 72030000, while the sum is 61.

The spelling of 55771522256770 in words is "fifty-five trillion, seven hundred seventy-one billion, five hundred twenty-two million, two hundred fifty-six thousand, seven hundred seventy".

Divisors: 1 2 5 10 17 34 85 170 18973 37946 94865 189730 322541 645082 1612705 3225410 17291297 34582594 86456485 172912970 293952049 587904098 1469760245 2939520490 328067777981 656135555962 1640338889905 3280677779810 5577152225677 11154304451354 27885761128385 55771522256770