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6938232050 = 252138764641
BaseRepresentation
bin1100111011000110…
…10000010011110010
3122220112111201002102
412131203100103302
5103202141411200
63104250220402
7333635666531
oct63543202362
918815451072
106938232050
112a404a6482
121417724702
1386758a369
1449b67c318
152a91b76d5
hex19d8d04f2

6938232050 has 12 divisors (see below), whose sum is σ = 12905111706. Its totient is φ = 2775292800.

The previous prime is 6938232017. The next prime is 6938232053. The reversal of 6938232050 is 502328396.

It can be written as a sum of positive squares in 3 ways, for example, as 5565010801 + 1373221249 = 74599^2 + 37057^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6938231995 and 6938232013.

It is not an unprimeable number, because it can be changed into a prime (6938232053) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 69382271 + ... + 69382370.

Almost surely, 26938232050 is an apocalyptic number.

6938232050 is a deficient number, since it is larger than the sum of its proper divisors (5966879656).

6938232050 is a wasteful number, since it uses less digits than its factorization.

6938232050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138764653 (or 138764648 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 6938232050 is about 83296.0506266654. The cubic root of 6938232050 is about 1907.2879878787.

The spelling of 6938232050 in words is "six billion, nine hundred thirty-eight million, two hundred thirty-two thousand, fifty".

Divisors: 1 2 5 10 25 50 138764641 277529282 693823205 1387646410 3469116025 6938232050