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71834769340 = 225101149323819
BaseRepresentation
bin100001011100110101…
…1111001011110111100
320212102021210101020121
41002321223321132330
52134104200104330
653000032224324
75122063315255
oct1027153713674
9225367711217
1071834769340
1128512944474
1211b0939b0a4
136a0a5bc499
14369657db2c
151d0673617a
hex10b9af97bc

71834769340 has 48 divisors (see below), whose sum is σ = 152455050720. Its totient is φ = 28429164800.

The previous prime is 71834769311. The next prime is 71834769421. The reversal of 71834769340 is 4396743817.

It is a super-2 number, since 2×718347693402 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3003951 + ... + 3027769.

It is an arithmetic number, because the mean of its divisors is an integer number (3176146890).

Almost surely, 271834769340 is an apocalyptic number.

It is an amenable number.

71834769340 is an abundant number, since it is smaller than the sum of its proper divisors (80620281380).

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

71834769340 is a wasteful number, since it uses less digits than its factorization.

71834769340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25422 (or 25420 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 52.

The spelling of 71834769340 in words is "seventy-one billion, eight hundred thirty-four million, seven hundred sixty-nine thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 101 202 404 505 1010 1493 2020 2986 5972 7465 14930 23819 29860 47638 95276 119095 150793 238190 301586 476380 603172 753965 1507930 2405719 3015860 4811438 9622876 12028595 24057190 35561767 48114380 71123534 142247068 177808835 355617670 711235340 3591738467 7183476934 14366953868 17958692335 35917384670 71834769340