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49138256722 = 21910191269001
BaseRepresentation
bin101101110000110111…
…100100101101010010
311200211112022002002011
4231300313210231102
51301113343203342
634323535213134
73356456201452
oct556067445522
9150745262064
1049138256722
11199262a0625
1296343771aa
13483137c569
1425420d1d62
151428dc3717
hexb70de4b52

49138256722 has 16 divisors (see below), whose sum is σ = 77662922400. Its totient is φ = 23253156000.

The previous prime is 49138256711. The next prime is 49138256749. The reversal of 49138256722 is 22765283194.

It is a happy number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 595779 + ... + 673222.

It is an arithmetic number, because the mean of its divisors is an integer number (4853932650).

Almost surely, 249138256722 is an apocalyptic number.

49138256722 is a deficient number, since it is larger than the sum of its proper divisors (28524665678).

49138256722 is a wasteful number, since it uses less digits than its factorization.

49138256722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1270041.

The product of its digits is 1451520, while the sum is 49.

The spelling of 49138256722 in words is "forty-nine billion, one hundred thirty-eight million, two hundred fifty-six thousand, seven hundred twenty-two".

Divisors: 1 2 19 38 1019 2038 19361 38722 1269001 2538002 24111019 48222038 1293112019 2586224038 24569128361 49138256722