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81046076073382 = 273473537120907
BaseRepresentation
bin10010011011011000000010…
…100100110010010110100110
3101121221221002101112111100101
4102123120002210302112212
541110324330433322012
6444212015305134314
723033246214046000
oct2233300244622646
9347857071474311
1081046076073382
11239074a2092a22
12910b332a8a39a
13362b7c5c630b4
14160291853b370
159582db2e9d57
hex49b6029325a6

81046076073382 has 64 divisors (see below), whose sum is σ = 145198162483200. Its totient is φ = 33898702725888.

The previous prime is 81046076073377. The next prime is 81046076073407. The reversal of 81046076073382 is 28337067064018.

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, 7820973 + ... + 14941879.

It is an arithmetic number, because the mean of its divisors is an integer number (2268721288800).

Almost surely, 281046076073382 is an apocalyptic number.

81046076073382 is a deficient number, since it is larger than the sum of its proper divisors (64152086409818).

81046076073382 is a wasteful number, since it uses less digits than its factorization.

81046076073382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7121330 (or 7121316 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 55.

The spelling of 81046076073382 in words is "eighty-one trillion, forty-six billion, seventy-six million, seventy-three thousand, three hundred eighty-two".

Divisors: 1 2 7 14 47 49 94 98 329 343 353 658 686 706 2303 2471 4606 4942 16121 16591 17297 32242 33182 34594 116137 121079 232274 242158 812959 1625918 5690713 7120907 11381426 14241814 49846349 99692698 334682629 348924443 669365258 697848886 2342778403 2442471101 2513680171 4685556806 4884942202 5027360342 16399448821 17595761197 32798897642 35191522394 114796141747 118142968037 123170328379 229592283494 236285936074 246340656758 827000776259 862192298653 1654001552518 1724384597306 5789005433813 11578010867626 40523038036691 81046076073382