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71682710837485 = 51113124594045963
BaseRepresentation
bin10000010011000111101110…
…100001000001100011101101
3100101210210121100221010201011
4100103013232201001203231
533343422142433244420
6412242325512345221
721045622253533006
oct2023075641014355
9311723540833634
1071682710837485
1120927515559a50
12805870a9a5211
1330cc85c5740a7
14139b666d421ad
1584497256e95a
hex4131ee8418ed

71682710837485 has 32 divisors (see below), whose sum is σ = 94593990965760. Its totient is φ = 51713867899200.

The previous prime is 71682710837477. The next prime is 71682710837501. The reversal of 71682710837485 is 58473801728617.

It is not a de Polignac number, because 71682710837485 - 23 = 71682710837477 is a prime.

It is a super-2 number, since 2×716827108374852 (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 71682710837485.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15694114 + ... + 19740076.

It is an arithmetic number, because the mean of its divisors is an integer number (2956062217680).

Almost surely, 271682710837485 is an apocalyptic number.

It is an amenable number.

71682710837485 is a deficient number, since it is larger than the sum of its proper divisors (22911280128275).

71682710837485 is a wasteful number, since it uses less digits than its factorization.

71682710837485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4048569.

The product of its (nonzero) digits is 126443520, while the sum is 67.

The spelling of 71682710837485 in words is "seventy-one trillion, six hundred eighty-two billion, seven hundred ten million, eight hundred thirty-seven thousand, four hundred eighty-five".

Divisors: 1 5 11 55 131 655 1441 2459 7205 12295 27049 135245 322129 1610645 3543419 4045963 17717095 20229815 44505593 222527965 530021153 2650105765 5830232683 9949023017 29151163415 49745115085 109439253187 547196265935 1303322015227 6516610076135 14336542167497 71682710837485