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49807872936 = 23323718696649
BaseRepresentation
bin101110011000110001…
…111101001110101000
311202120012022002211200
4232120301331032220
51304001303413221
634514215324200
73412166635353
oct563061751650
9152505262750
1049807872936
111a13a278158
1297a0680660
13490a011083
1425a6ddb29a
151467a93426
hexb98c7d3a8

49807872936 has 48 divisors (see below), whose sum is σ = 138542176500. Its totient is φ = 16153903872.

The previous prime is 49807872931. The next prime is 49807872979. The reversal of 49807872936 is 63927870894.

49807872936 is a `hidden beast` number, since 498 + 0 + 78 + 72 + 9 + 3 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 49286664036 + 521208900 = 222006^2 + 22830^2 .

It is not an unprimeable number, because it can be changed into a prime (49807872931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9345661 + ... + 9350988.

Almost surely, 249807872936 is an apocalyptic number.

It is an amenable number.

49807872936 is an abundant number, since it is smaller than the sum of its proper divisors (88734303564).

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

49807872936 is a wasteful number, since it uses less digits than its factorization.

49807872936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18696698 (or 18696691 counting only the distinct ones).

The product of its (nonzero) digits is 36578304, while the sum is 63.

The spelling of 49807872936 in words is "forty-nine billion, eight hundred seven million, eight hundred seventy-two thousand, nine hundred thirty-six".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 37 72 74 111 148 222 296 333 444 666 888 1332 2664 18696649 37393298 56089947 74786596 112179894 149573192 168269841 224359788 336539682 448719576 673079364 691776013 1346158728 1383552026 2075328039 2767104052 4150656078 5534208104 6225984117 8301312156 12451968234 16602624312 24903936468 49807872936