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70532804161 = 95374011337
BaseRepresentation
bin100000110110000010…
…1010010111001000001
320202001112220200210001
41001230011102321001
52123422344213121
652222522440001
75044603641361
oct1015405227101
9222045820701
1070532804161
1127a04a24796
1211805363001
136860946ba1
1435b16aa9a1
151c7c2a8991
hex106c152e41

70532804161 has 4 divisors (see below), whose sum is σ = 70606816452. Its totient is φ = 70458791872.

The previous prime is 70532804159. The next prime is 70532804189. The reversal of 70532804161 is 16140823507.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20101568400 + 50431235761 = 141780^2 + 224569^2 .

It is a cyclic number.

It is not a de Polignac number, because 70532804161 - 21 = 70532804159 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70532804161.

It is not an unprimeable number, because it can be changed into a prime (70532804101) 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, 37004716 + ... + 37006621.

It is an arithmetic number, because the mean of its divisors is an integer number (17651704113).

Almost surely, 270532804161 is an apocalyptic number.

It is an amenable number.

70532804161 is a deficient number, since it is larger than the sum of its proper divisors (74012291).

70532804161 is an equidigital number, since it uses as much as digits as its factorization.

70532804161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74012290.

The product of its (nonzero) digits is 40320, while the sum is 37.

The spelling of 70532804161 in words is "seventy billion, five hundred thirty-two million, eight hundred four thousand, one hundred sixty-one".

Divisors: 1 953 74011337 70532804161