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27920285328 = 2431347952001
BaseRepresentation
bin11010000000001011…
…011011111010010000
32200001210221110011210
4122000023123322100
5424140043112303
620454300340120
72005614336525
oct320013337220
980053843153
1027920285328
1110928300681
1254b2544640
13282c55a4c0
1414cc15d14c
15ad626c203
hex6802dbe90

27920285328 has 80 divisors (see below), whose sum is σ = 79328422656. Its totient is φ = 8408064000.

The previous prime is 27920285299. The next prime is 27920285347. The reversal of 27920285328 is 82358202972.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 446673 + ... + 505328.

Almost surely, 227920285328 is an apocalyptic number.

It is an amenable number.

27920285328 is an abundant number, since it is smaller than the sum of its proper divisors (51408137328).

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

27920285328 is a wasteful number, since it uses less digits than its factorization.

27920285328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952072 (or 952066 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 27920285328 in words is "twenty-seven billion, nine hundred twenty million, two hundred eighty-five thousand, three hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 39 47 48 52 78 94 104 141 156 188 208 282 312 376 564 611 624 752 1128 1222 1833 2256 2444 3666 4888 7332 9776 14664 29328 952001 1904002 2856003 3808004 5712006 7616008 11424012 12376013 15232016 22848024 24752026 37128039 44744047 45696048 49504052 74256078 89488094 99008104 134232141 148512156 178976188 198016208 268464282 297024312 357952376 536928564 581672611 594048624 715904752 1073857128 1163345222 1745017833 2147714256 2326690444 3490035666 4653380888 6980071332 9306761776 13960142664 27920285328