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55212151306 = 2132123544281
BaseRepresentation
bin110011011010111001…
…101001001000001010
312021111211101220001211
4303122321221020022
51401033302320211
641210352003334
73663131354104
oct633271511012
9167454356054
1055212151306
1121462902514
12a84a53054a
13528b84b720
14295aa58574
151682255e21
hexcdae6920a

55212151306 has 8 divisors (see below), whose sum is σ = 89188859844. Its totient is φ = 25482531360.

The previous prime is 55212151301. The next prime is 55212151307. The reversal of 55212151306 is 60315121255.

It can be written as a sum of positive squares in 2 ways, for example, as 55105215025 + 106936281 = 234745^2 + 10341^2 .

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

It is not an unprimeable number, because it can be changed into a prime (55212151301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1061772115 + ... + 1061772166.

Almost surely, 255212151306 is an apocalyptic number.

55212151306 is a deficient number, since it is larger than the sum of its proper divisors (33976708538).

55212151306 is a wasteful number, since it uses less digits than its factorization.

55212151306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2123544296.

The product of its (nonzero) digits is 9000, while the sum is 31.

The spelling of 55212151306 in words is "fifty-five billion, two hundred twelve million, one hundred fifty-one thousand, three hundred six".

Divisors: 1 2 13 26 2123544281 4247088562 27606075653 55212151306