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71062668100868 = 22711649631516829
BaseRepresentation
bin10000001010000110010001…
…000101101100010100000100
3100022121112011112010120100112
4100022012101011230110010
533303242321013211433
6411045423344532152
720653052106324353
oct2012062105542404
9308545145116315
1071062668100868
11207085655a7814
127b78507921058
133086247427922
141379646c4d99a
15833782d43348
hex40a19116c504

71062668100868 has 24 divisors (see below), whose sum is σ = 126112061436480. Its totient is φ = 35030657275040.

The previous prime is 71062668100829. The next prime is 71062668100883. The reversal of 71062668100868 is 86800186626017.

It is a happy number.

It is a super-4 number, since 4×710626681008684 (a number of 57 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46091078 + ... + 47607906.

It is an arithmetic number, because the mean of its divisors is an integer number (5254669226520).

Almost surely, 271062668100868 is an apocalyptic number.

It is an amenable number.

71062668100868 is a deficient number, since it is larger than the sum of its proper divisors (55049393335612).

71062668100868 is a wasteful number, since it uses less digits than its factorization.

71062668100868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1681867 (or 1681865 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 59.

The spelling of 71062668100868 in words is "seventy-one trillion, sixty-two billion, six hundred sixty-eight million, one hundred thousand, eight hundred sixty-eight".

Divisors: 1 2 4 71 142 284 164963 329926 659852 1516829 3033658 6067316 11712373 23424746 46849492 107694859 215389718 430779436 250220662327 500441324654 1000882649308 17765667025217 35531334050434 71062668100868