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71077680352 = 257354789459
BaseRepresentation
bin100001000110010001…
…1110101010011100000
320210110112012021101201
41002030203311103200
52131031341232402
652352545210544
75064241212610
oct1021443652340
9223415167351
1071077680352
1128164552298
1211937930a54
1369197b2133
143623bc4a40
151cb0038687
hex108c8f54e0

71077680352 has 48 divisors (see below), whose sum is σ = 159971656320. Its totient is φ = 30452934528.

The previous prime is 71077680347. The next prime is 71077680353. The reversal of 71077680352 is 25308677017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71077680353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 749799 + ... + 839257.

It is an arithmetic number, because the mean of its divisors is an integer number (3332742840).

Almost surely, 271077680352 is an apocalyptic number.

It is an amenable number.

71077680352 is an abundant number, since it is smaller than the sum of its proper divisors (88893975968).

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

71077680352 is a wasteful number, since it uses less digits than its factorization.

71077680352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93023 (or 93015 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 46.

The spelling of 71077680352 in words is "seventy-one billion, seventy-seven million, six hundred eighty thousand, three hundred fifty-two".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 224 3547 7094 14188 24829 28376 49658 56752 89459 99316 113504 178918 198632 357836 397264 626213 715672 794528 1252426 1431344 2504852 2862688 5009704 10019408 20038816 317311073 634622146 1269244292 2221177511 2538488584 4442355022 5076977168 8884710044 10153954336 17769420088 35538840176 71077680352