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80850528372 = 22323353829849
BaseRepresentation
bin100101101001100010…
…0010010100001110100
321201200121112101120210
41023103010102201310
52311040213401442
6101050415225420
75561360103105
oct1132304224164
9251617471523
1080850528372
113131a019699
1213804818270
1378163c9743
143cadad83ac
152182ec719c
hex12d3112874

80850528372 has 48 divisors (see below), whose sum is σ = 197411356800. Its totient is φ = 25705371648.

The previous prime is 80850528331. The next prime is 80850528397. The reversal of 80850528372 is 27382505808.

It is a congruent number.

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, 317497 + ... + 512352.

It is an arithmetic number, because the mean of its divisors is an integer number (4112736600).

Almost surely, 280850528372 is an apocalyptic number.

It is an amenable number.

80850528372 is an abundant number, since it is smaller than the sum of its proper divisors (116560828428).

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

80850528372 is a wasteful number, since it uses less digits than its factorization.

80850528372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830232 (or 830230 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 48.

The spelling of 80850528372 in words is "eighty billion, eight hundred fifty million, five hundred twenty-eight thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 353 706 1059 1412 2118 4236 8119 16238 24357 32476 48714 97428 829849 1659698 2489547 3319396 4979094 9958188 19086527 38173054 57259581 76346108 114519162 229038324 292936697 585873394 878810091 1171746788 1757620182 3515240364 6737544031 13475088062 20212632093 26950176124 40425264186 80850528372