Search a number
-
+
55768668888819 = 3139671330962719
BaseRepresentation
bin11001010111000101001111…
…01100101101111011110011
321022110102200102101202220110
430223202213230231323303
524302203213213420234
6314335434531512403
714514103414061655
oct1453424754557363
9238412612352813
1055768668888819
11168513a5779827
126308412458703
132516c6968cb63
14dab30a1ac6d5
1566aa0ec611e9
hex32b8a7b2def3

55768668888819 has 8 divisors (see below), whose sum is σ = 74363549091840. Its totient is φ = 37176450639176.

The previous prime is 55768668888811. The next prime is 55768668888841. The reversal of 55768668888819 is 91888886686755.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55768668888819 - 23 = 55768668888811 is a prime.

It is a super-2 number, since 2×557686688888192 (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55768668888811) 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, 665439459 + ... + 665523260.

It is an arithmetic number, because the mean of its divisors is an integer number (9295443636480).

Almost surely, 255768668888819 is an apocalyptic number.

55768668888819 is a deficient number, since it is larger than the sum of its proper divisors (18594880203021).

55768668888819 is a wasteful number, since it uses less digits than its factorization.

55768668888819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1330976689.

The product of its digits is 89181388800, while the sum is 93.

The spelling of 55768668888819 in words is "fifty-five trillion, seven hundred sixty-eight billion, six hundred sixty-eight million, eight hundred eighty-eight thousand, eight hundred nineteen".

Divisors: 1 3 13967 41901 1330962719 3992888157 18589556296273 55768668888819