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55030300278 = 2383110502611
BaseRepresentation
bin110011010000000011…
…111011111001110110
312021001011012220100120
4303100003323321312
51400200224102103
641140334152410
73655462556142
oct632003737166
9167034186316
1055030300278
112137a196108
12a7b9652706
13525cc7a175
14294083c222
1516712d4253
hexcd00fbe76

55030300278 has 16 divisors (see below), whose sum is σ = 111386632896. Its totient is φ = 18122428040.

The previous prime is 55030300253. The next prime is 55030300307. The reversal of 55030300278 is 87200303055.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55250808 + ... + 55251803.

It is an arithmetic number, because the mean of its divisors is an integer number (6961664556).

Almost surely, 255030300278 is an apocalyptic number.

55030300278 is an abundant number, since it is smaller than the sum of its proper divisors (56356332618).

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

55030300278 is a wasteful number, since it uses less digits than its factorization.

55030300278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110502699.

The product of its (nonzero) digits is 25200, while the sum is 33.

The spelling of 55030300278 in words is "fifty-five billion, thirty million, three hundred thousand, two hundred seventy-eight".

Divisors: 1 2 3 6 83 166 249 498 110502611 221005222 331507833 663015666 9171716713 18343433426 27515150139 55030300278