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71683404702 = 23713261165559
BaseRepresentation
bin100001011000010101…
…0011111001110011110
320212000201222020222220
41002300222133032132
52133301422422302
652533024050210
75115244613040
oct1026052371636
9225021866886
1071683404702
112844545aa28
1211a86763966
1369b5133400
14368041ba90
151ce82d74bc
hex10b0a9f39e

71683404702 has 96 divisors (see below), whose sum is σ = 180330600960. Its totient is φ = 18595474560.

The previous prime is 71683404701. The next prime is 71683404703. The reversal of 71683404702 is 20740438617.

It is an interprime number because it is at equal distance from previous prime (71683404701) and next prime (71683404703).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71683404701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 350199 + ... + 515757.

It is an arithmetic number, because the mean of its divisors is an integer number (1878443760).

Almost surely, 271683404702 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71683404702, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90165300480).

71683404702 is an abundant number, since it is smaller than the sum of its proper divisors (108647196258).

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

71683404702 is a wasteful number, since it uses less digits than its factorization.

71683404702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165658 (or 165645 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 42.

The spelling of 71683404702 in words is "seventy-one billion, six hundred eighty-three million, four hundred four thousand, seven hundred two".

Divisors: 1 2 3 6 7 13 14 21 26 39 42 61 78 91 122 169 182 183 273 338 366 427 507 546 793 854 1014 1183 1281 1586 2366 2379 2562 3549 4758 5551 7098 10309 11102 16653 20618 30927 33306 61854 72163 144326 165559 216489 331118 432978 496677 993354 1158913 2152267 2317826 3476739 4304534 6456801 6953478 10099099 12913602 15065869 20198198 27979471 30131738 30297297 45197607 55958942 60594594 70693693 83938413 90395214 131288287 141387386 167876826 195856297 212081079 262576574 391712594 393864861 424162158 587568891 787729722 919018009 1175137782 1706747731 1838036018 2757054027 3413495462 5120243193 5514108054 10240486386 11947234117 23894468234 35841702351 71683404702