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80112666999644 = 221912782310085189
BaseRepresentation
bin10010001101110010101111…
…000011101111101101011100
3101111122200210111200121201122
4102031302233003233231130
541000031220222442034
6442215130125230112
722605643366611056
oct2215625703575534
9344580714617648
1080112666999644
1123587655a96594
128b9a456102338
133591790a60006
1415ad68c05a8d6
1593ddaac4862e
hex48dcaf0efb5c

80112666999644 has 48 divisors (see below), whose sum is σ = 148918722355200. Its totient is φ = 37603551295296.

The previous prime is 80112666999593. The next prime is 80112666999649. The reversal of 80112666999644 is 44699966621108.

It is a super-2 number, since 2×801126669996442 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80112666999649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2901002 + ... + 12986190.

It is an arithmetic number, because the mean of its divisors is an integer number (3102473382400).

Almost surely, 280112666999644 is an apocalyptic number.

It is an amenable number.

80112666999644 is a deficient number, since it is larger than the sum of its proper divisors (68806055355556).

80112666999644 is a wasteful number, since it uses less digits than its factorization.

80112666999644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10086162 (or 10086160 counting only the distinct ones).

The product of its (nonzero) digits is 241864704, while the sum is 71.

The spelling of 80112666999644 in words is "eighty trillion, one hundred twelve billion, six hundred sixty-six million, nine hundred ninety-nine thousand, six hundred forty-four".

Divisors: 1 2 4 19 38 76 127 254 508 823 1646 2413 3292 4826 9652 15637 31274 62548 104521 209042 418084 1985899 3971798 7943596 10085189 20170378 40340756 191618591 383237182 766474364 1280819003 2561638006 5123276012 8300110547 16600221094 24335561057 33200442188 48671122114 97342244228 157702100393 315404200786 630808401572 1054114039469 2108228078938 4216456157876 20028166749911 40056333499822 80112666999644