Search a number
-
+
70882572137 = 135452505549
BaseRepresentation
bin100001000000011101…
…1100011011101101001
320202221221001202020112
41002000323203131221
52130131414302022
652321335304105
75056351631156
oct1020073433551
9222857052215
1070882572137
1128074400633
12118a251b035
1368b824b5a0
143605d1722d
151c9cd488e2
hex1080ee3769

70882572137 has 4 divisors (see below), whose sum is σ = 76335077700. Its totient is φ = 65430066576.

The previous prime is 70882572127. The next prime is 70882572157. The reversal of 70882572137 is 73127528807.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 73127528807 = 488231497809.

It can be written as a sum of positive squares in 2 ways, for example, as 2755830016 + 68126742121 = 52496^2 + 261011^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-70882572137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70882572127) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2726252762 + ... + 2726252787.

It is an arithmetic number, because the mean of its divisors is an integer number (19083769425).

Almost surely, 270882572137 is an apocalyptic number.

It is an amenable number.

70882572137 is a deficient number, since it is larger than the sum of its proper divisors (5452505563).

70882572137 is a wasteful number, since it uses less digits than its factorization.

70882572137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5452505562.

The product of its (nonzero) digits is 1317120, while the sum is 50.

The spelling of 70882572137 in words is "seventy billion, eight hundred eighty-two million, five hundred seventy-two thousand, one hundred thirty-seven".

Divisors: 1 13 5452505549 70882572137