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71102056011 = 3717385351691
BaseRepresentation
bin100001000111000000…
…0110100011001001011
320210112020001200111220
41002032000310121023
52131104111243021
652355215453123
75064655334640
oct1021600643113
9223466050456
1071102056011
1128177291068
1211943b271a3
1369218680bc
14362712bdc7
151cb2250cc6
hex108e03464b

71102056011 has 32 divisors (see below), whose sum is σ = 114751277568. Its totient is φ = 38229096960.

The previous prime is 71102056009. The next prime is 71102056013. The reversal of 71102056011 is 11065020117.

It is an interprime number because it is at equal distance from previous prime (71102056009) and next prime (71102056013).

It is not a de Polignac number, because 71102056011 - 21 = 71102056009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71102056013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1349676 + ... + 1401366.

It is an arithmetic number, because the mean of its divisors is an integer number (3585977424).

Almost surely, 271102056011 is an apocalyptic number.

71102056011 is a deficient number, since it is larger than the sum of its proper divisors (43649221557).

71102056011 is a wasteful number, since it uses less digits than its factorization.

71102056011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55571.

The product of its (nonzero) digits is 420, while the sum is 24.

Adding to 71102056011 its reverse (11065020117), we get a palindrome (82167076128).

The spelling of 71102056011 in words is "seventy-one billion, one hundred two million, fifty-six thousand, eleven".

Divisors: 1 3 7 17 21 51 119 357 3853 11559 26971 51691 65501 80913 155073 196503 361837 458507 878747 1085511 1375521 2636241 6151229 18453687 199165423 597496269 1394157961 3385812191 4182473883 10157436573 23700685337 71102056011