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71120122210201 = 2812137118435433
BaseRepresentation
bin10000001010111011110001…
…100111101110011110011001
3100022211000110121011201122211
4100022323301213232132121
533310213002241211301
6411132044425515121
720660154633232321
oct2012736147563631
9308730417151584
1071120122210201
112072a9689874a9
127b87681042aa1
13308b7a25a881c
14137c337548281
15834ee6d03051
hex40aef19ee799

71120122210201 has 8 divisors (see below), whose sum is σ = 71406618125544. Its totient is φ = 70833863170560.

The previous prime is 71120122210187. The next prime is 71120122210219. The reversal of 71120122210201 is 10201222102117.

It can be written as a sum of positive squares in 4 ways, for example, as 9759157321225 + 61360964888976 = 3123965^2 + 7833324^2 .

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 71120122210201 - 217 = 71120122079129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71120122210261) 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, 58617220 + ... + 59818213.

It is an arithmetic number, because the mean of its divisors is an integer number (8925827265693).

Almost surely, 271120122210201 is an apocalyptic number.

It is an amenable number.

71120122210201 is a deficient number, since it is larger than the sum of its proper divisors (286495915343).

71120122210201 is a wasteful number, since it uses less digits than its factorization.

71120122210201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118437851.

The product of its (nonzero) digits is 224, while the sum is 22.

Adding to 71120122210201 its reverse (10201222102117), we get a palindrome (81321344312318).

The spelling of 71120122210201 in words is "seventy-one trillion, one hundred twenty billion, one hundred twenty-two million, two hundred ten thousand, two hundred one".

Divisors: 1 281 2137 600497 118435433 33280356673 253096520321 71120122210201