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55266973100 = 2252552669731
BaseRepresentation
bin110011011110001010…
…110001010110101100
312021122122120010102122
4303132022301112230
51401141321114400
641220031012112
73664365343313
oct633612612654
9167578503378
1055266973100
1121490846989
12a86496a038
13529a004761
14296404927a
151686e84685
hexcde2b15ac

55266973100 has 18 divisors (see below), whose sum is σ = 119929331844. Its totient is φ = 22106789200.

The previous prime is 55266973051. The next prime is 55266973103. The reversal of 55266973100 is 137966255.

It is a super-2 number, since 2×552669731002 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55266973103) 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 5 ways as a sum of consecutive naturals, for example, 276334766 + ... + 276334965.

It is an arithmetic number, because the mean of its divisors is an integer number (6662740658).

Almost surely, 255266973100 is an apocalyptic number.

55266973100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55266973100 is an abundant number, since it is smaller than the sum of its proper divisors (64662358744).

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

55266973100 is a wasteful number, since it uses less digits than its factorization.

55266973100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552669745 (or 552669738 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 44.

The spelling of 55266973100 in words is "fifty-five billion, two hundred sixty-six million, nine hundred seventy-three thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 552669731 1105339462 2210678924 2763348655 5526697310 11053394620 13816743275 27633486550 55266973100