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550212720057 = 3371113175920297
BaseRepresentation
bin10000000000110110011…
…10111101010110111001
31221121012021022011221000
420000123032331112321
533003313424020212
61100433024035213
754515532645240
oct10003316752671
91847167264830
10550212720057
111a2386811250
128a775162b09
133cb66ca9750
141c8b7cc7957
15e4a3ee61dc
hex801b3bd5b9

550212720057 has 256 divisors, whose sum is σ = 1178518118400. Its totient is φ = 244097556480.

The previous prime is 550212720019. The next prime is 550212720067. The reversal of 550212720057 is 750027212055.

550212720057 is a `hidden beast` number, since 5 + 502 + 127 + 20 + 0 + 5 + 7 = 666.

550212720057 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 550212720057 - 210 = 550212719033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (550212720007) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 27097933 + ... + 27118229.

It is an arithmetic number, because the mean of its divisors is an integer number (4603586400).

Almost surely, 2550212720057 is an apocalyptic number.

It is an amenable number.

550212720057 is an abundant number, since it is smaller than the sum of its proper divisors (628305398343).

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

550212720057 is a wasteful number, since it uses less digits than its factorization.

550212720057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20413 (or 20407 counting only the distinct ones).

The product of its (nonzero) digits is 49000, while the sum is 36.

The spelling of 550212720057 in words is "five hundred fifty billion, two hundred twelve million, seven hundred twenty thousand, fifty-seven".