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49578990223 = 73144545161
BaseRepresentation
bin101110001011001000…
…110101101010001111
311201222020121122210011
4232023020311222033
51303014210141343
634435401454051
73403420315000
oct561310655217
9151866548704
1049578990223
111a032058194
129737aa1327
1348a1783509
14258485b1a7
15145293129d
hexb8b235a8f

49578990223 has 8 divisors (see below), whose sum is σ = 57818064800. Its totient is φ = 42496277040.

The previous prime is 49578990211. The next prime is 49578990229. The reversal of 49578990223 is 32209987594.

It is not a de Polignac number, because 49578990223 - 217 = 49578859151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49578990229) 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 7 ways as a sum of consecutive naturals, for example, 72272238 + ... + 72272923.

It is an arithmetic number, because the mean of its divisors is an integer number (7227258100).

Almost surely, 249578990223 is an apocalyptic number.

49578990223 is a deficient number, since it is larger than the sum of its proper divisors (8239074577).

49578990223 is an equidigital number, since it uses as much as digits as its factorization.

49578990223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144545182 (or 144545168 counting only the distinct ones).

The product of its (nonzero) digits is 9797760, while the sum is 58.

The spelling of 49578990223 in words is "forty-nine billion, five hundred seventy-eight million, nine hundred ninety thousand, two hundred twenty-three".

Divisors: 1 7 49 343 144545161 1011816127 7082712889 49578990223