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5071137768 = 233270432469
BaseRepresentation
bin1001011100100001…
…10110101111101000
3111002102020111020100
410232100312233220
540341202402033
62155112025400
7236444650134
oct45620665750
914072214210
105071137768
112172585954
12b96392260
1362a808248
143616dc3c4
151ea309513
hex12e436be8

5071137768 has 24 divisors (see below), whose sum is σ = 13734331650. Its totient is φ = 1690379232.

The previous prime is 5071137739. The next prime is 5071137817. The reversal of 5071137768 is 8677311705.

5071137768 is a `hidden beast` number, since 507 + 1 + 13 + 77 + 68 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4692524004 + 378613764 = 68502^2 + 19458^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35216163 + ... + 35216306.

Almost surely, 25071137768 is an apocalyptic number.

It is an amenable number.

5071137768 is an abundant number, since it is smaller than the sum of its proper divisors (8663193882).

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

5071137768 is a wasteful number, since it uses less digits than its factorization.

5071137768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70432481 (or 70432474 counting only the distinct ones).

The product of its (nonzero) digits is 246960, while the sum is 45.

The square root of 5071137768 is about 71211.9215300360. The cubic root of 5071137768 is about 1718.0473794137.

The spelling of 5071137768 in words is "five billion, seventy-one million, one hundred thirty-seven thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 70432469 140864938 211297407 281729876 422594814 563459752 633892221 845189628 1267784442 1690379256 2535568884 5071137768