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71137234169 = 432939562897
BaseRepresentation
bin100001001000000011…
…1000000110011111001
320210121200020220212122
41002100013000303321
52131142112443134
652402513451025
75065563341111
oct1022007006371
9223550226778
1071137234169
1128195128a21
1211953870a75
136928c33c91
14362ba88041
151cb539e02e
hex10901c0cf9

71137234169 has 8 divisors (see below), whose sum is σ = 72816485280. Its totient is φ = 69459114816.

The previous prime is 71137234163. The next prime is 71137234219. The reversal of 71137234169 is 96143273117.

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 71137234169 - 24 = 71137234153 is a prime.

It is a super-2 number, since 2×711372341692 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71137234163) 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, 155072 + ... + 407825.

It is an arithmetic number, because the mean of its divisors is an integer number (9102060660).

Almost surely, 271137234169 is an apocalyptic number.

It is an amenable number.

71137234169 is a deficient number, since it is larger than the sum of its proper divisors (1679251111).

71137234169 is a wasteful number, since it uses less digits than its factorization.

71137234169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565879.

The product of its digits is 190512, while the sum is 44.

The spelling of 71137234169 in words is "seventy-one billion, one hundred thirty-seven million, two hundred thirty-four thousand, one hundred sixty-nine".

Divisors: 1 43 2939 126377 562897 24204571 1654354283 71137234169