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60664711217 = 1167343323977
BaseRepresentation
bin111000011111111001…
…100000100000110001
312210120211100122010012
4320133321200200301
51443220131224332
643511411144305
74245220352165
oct703771404061
9183524318105
1060664711217
1123800714480
12b9105a5095
13594a392236
142d16c82ca5
1518a0ca43b2
hexe1fe60831

60664711217 has 16 divisors (see below), whose sum is σ = 67189808832. Its totient is φ = 54308517120.

The previous prime is 60664711201. The next prime is 60664711231. The reversal of 60664711217 is 71211746606.

It is not a de Polignac number, because 60664711217 - 24 = 60664711201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (60664711117) 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 15 ways as a sum of consecutive naturals, for example, 2518133 + ... + 2542109.

It is an arithmetic number, because the mean of its divisors is an integer number (4199363052).

Almost surely, 260664711217 is an apocalyptic number.

60664711217 is a gapful number since it is divisible by the number (67) formed by its first and last digit.

It is an amenable number.

60664711217 is a deficient number, since it is larger than the sum of its proper divisors (6525097615).

60664711217 is a wasteful number, since it uses less digits than its factorization.

60664711217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27488.

The product of its (nonzero) digits is 84672, while the sum is 41.

The spelling of 60664711217 in words is "sixty billion, six hundred sixty-four million, seven hundred eleven thousand, two hundred seventeen".

Divisors: 1 11 67 737 3433 23977 37763 230011 263747 1606459 2530121 17671049 82313041 905443451 5514973747 60664711217