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71169270690 = 2357338901289
BaseRepresentation
bin100001001001000000…
…1001110001110100010
320210200220112112201110
41002102001032032202
52131223313130230
652410020244150
75066432551050
oct1022201161642
9223626475643
1071169270690
112820121a491
1211962540656
13693276cbbb
1436320271d0
151cb80cb4b0
hex109204e3a2

71169270690 has 32 divisors (see below), whose sum is σ = 195207143040. Its totient is φ = 16267261824.

The previous prime is 71169270677. The next prime is 71169270709. The reversal of 71169270690 is 9607296117.

It is a happy number.

It is a super-2 number, since 2×711692706902 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169450435 + ... + 169450854.

It is an arithmetic number, because the mean of its divisors is an integer number (6100223220).

Almost surely, 271169270690 is an apocalyptic number.

71169270690 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

71169270690 is an abundant number, since it is smaller than the sum of its proper divisors (124037872350).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71169270690 is a wasteful number, since it uses less digits than its factorization.

71169270690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338901306.

The product of its (nonzero) digits is 285768, while the sum is 48.

The spelling of 71169270690 in words is "seventy-one billion, one hundred sixty-nine million, two hundred seventy thousand, six hundred ninety".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 338901289 677802578 1016703867 1694506445 2033407734 2372309023 3389012890 4744618046 5083519335 7116927069 10167038670 11861545115 14233854138 23723090230 35584635345 71169270690