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55280250278 = 2112512738649
BaseRepresentation
bin110011011110111101…
…011010110110100110
312021200120112200021222
4303132331122312212
51401203221002103
641221223340342
73664616242301
oct633675326646
9167616480258
1055280250278
1121498295260
12a8692b16b2
13529c9a2b86
142965b03b38
151688208638
hexcdef5ada6

55280250278 has 8 divisors (see below), whose sum is σ = 90458591400. Its totient is φ = 25127386480.

The previous prime is 55280250253. The next prime is 55280250313. The reversal of 55280250278 is 87205208255.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1256369303 + ... + 1256369346.

It is an arithmetic number, because the mean of its divisors is an integer number (11307323925).

Almost surely, 255280250278 is an apocalyptic number.

55280250278 is a deficient number, since it is larger than the sum of its proper divisors (35178341122).

55280250278 is a wasteful number, since it uses less digits than its factorization.

55280250278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2512738662.

The product of its (nonzero) digits is 448000, while the sum is 44.

The spelling of 55280250278 in words is "fifty-five billion, two hundred eighty million, two hundred fifty thousand, two hundred seventy-eight".

Divisors: 1 2 11 22 2512738649 5025477298 27640125139 55280250278