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806237381052 = 2232701157920233
BaseRepresentation
bin10111011101101110111…
…11100010000110111100
32212002001001212112020200
423232313133202012330
5101202133232143202
61414214053043500
7112151212444305
oct13566737420674
92762031775220
10806237381052
11290a17a8a474
12110307326590
135b04928a1ac
142b0448c77ac
1515e8abb9e1c
hexbbb77e21bc

806237381052 has 72 divisors (see below), whose sum is σ = 2042289653040. Its totient is φ = 268179206400.

The previous prime is 806237381023. The next prime is 806237381069. The reversal of 806237381052 is 250183732608.

806237381052 is a `hidden beast` number, since 8 + 0 + 623 + 7 + 3 + 8 + 10 + 5 + 2 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 806237380989 and 806237381007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39837528 + ... + 39857760.

It is an arithmetic number, because the mean of its divisors is an integer number (28365134070).

Almost surely, 2806237381052 is an apocalyptic number.

It is an amenable number.

806237381052 is an abundant number, since it is smaller than the sum of its proper divisors (1236052271988).

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

806237381052 is a wasteful number, since it uses less digits than its factorization.

806237381052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22523 (or 22518 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 806237381052 in words is "eight hundred six billion, two hundred thirty-seven million, three hundred eighty-one thousand, fifty-two".

Divisors: 1 2 3 4 6 9 12 18 36 701 1402 1579 2103 2804 3158 4206 4737 6309 6316 8412 9474 12618 14211 18948 20233 25236 28422 40466 56844 60699 80932 121398 182097 242796 364194 728388 1106879 2213758 3320637 4427516 6641274 9961911 13282548 14183333 19923822 28366666 31947907 39847644 42549999 56733332 63895814 85099998 95843721 127649997 127791628 170199996 191687442 255299994 287531163 383374884 510599988 575062326 1150124652 22395482807 44790965614 67186448421 89581931228 134372896842 201559345263 268745793684 403118690526 806237381052