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91457342676 = 2234747857981
BaseRepresentation
bin101010100101101001…
…0000100110011010100
322202001211010101110000
41111023102010303110
52444301034431201
6110003120131300
76415253405010
oct1251322046324
9282054111400
1091457342676
1135872316227
1215884a66b30
138816a2a31b
1445d8699540
1525a429bd86
hex154b484cd4

91457342676 has 120 divisors (see below), whose sum is σ = 279056929536. Its totient is φ = 25574667840.

The previous prime is 91457342671. The next prime is 91457342731. The reversal of 91457342676 is 67624375419.

91457342676 is a `hidden beast` number, since 9 + 1 + 4 + 573 + 4 + 2 + 67 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91457342671) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 322395 + ... + 535586.

Almost surely, 291457342676 is an apocalyptic number.

It is an amenable number.

91457342676 is an abundant number, since it is smaller than the sum of its proper divisors (187599586860).

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

91457342676 is a wasteful number, since it uses less digits than its factorization.

91457342676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858051 (or 858040 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 54.

The spelling of 91457342676 in words is "ninety-one billion, four hundred fifty-seven million, three hundred forty-two thousand, six hundred seventy-six".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 47 54 63 81 84 94 108 126 141 162 188 189 252 282 324 329 378 423 564 567 658 756 846 987 1134 1269 1316 1692 1974 2268 2538 2961 3807 3948 5076 5922 7614 8883 11844 15228 17766 26649 35532 53298 106596 857981 1715962 2573943 3431924 5147886 6005867 7721829 10295772 12011734 15443658 18017601 23165487 24023468 30887316 36035202 40325107 46330974 54052803 69496461 72070404 80650214 92661948 108105606 120975321 138992922 161300428 162158409 216211212 241950642 277985844 282275749 324316818 362925963 483901284 486475227 564551498 648633636 725851926 846827247 972950454 1088777889 1129102996 1451703852 1693654494 1945900908 2177555778 2540481741 3266333667 3387308988 4355111556 5080963482 6532667334 7621445223 10161926964 13065334668 15242890446 22864335669 30485780892 45728671338 91457342676