Search a number
-
+
70111065071 = 233048307177
BaseRepresentation
bin100000101001011110…
…0011111001111101111
320200222011100010111202
41001102330133033233
52122041413040241
652113015240115
75031263135345
oct1012274371757
9220864303452
1070111065071
1127808960993
121170807903b
1367c4463728
143571687995
151c5524dd9b
hex1052f1f3ef

70111065071 has 4 divisors (see below), whose sum is σ = 73159372272. Its totient is φ = 67062757872.

The previous prime is 70111065047. The next prime is 70111065097. The reversal of 70111065071 is 17056011107.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17056011107 = 171003294771.

It is a cyclic number.

It is not a de Polignac number, because 70111065071 - 214 = 70111048687 is a prime.

It is a super-2 number, since 2×701110650712 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70111055071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1524153566 + ... + 1524153611.

It is an arithmetic number, because the mean of its divisors is an integer number (18289843068).

Almost surely, 270111065071 is an apocalyptic number.

70111065071 is a deficient number, since it is larger than the sum of its proper divisors (3048307201).

70111065071 is a wasteful number, since it uses less digits than its factorization.

70111065071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3048307200.

The product of its (nonzero) digits is 1470, while the sum is 29.

Adding to 70111065071 its reverse (17056011107), we get a palindrome (87167076178).

The spelling of 70111065071 in words is "seventy billion, one hundred eleven million, sixty-five thousand, seventy-one".

Divisors: 1 23 3048307177 70111065071