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64470132047711 = 137169848463757
BaseRepresentation
bin11101010100010100111110…
…10100011011111101011111
322110021021200100110202011202
432222022133110123331133
531422234312301011321
6345041100401510115
716402545654422135
oct1652123724337537
9273237610422152
1064470132047711
11195a66a1898585
1272928b094233b
1329c86798b4430
1411cc52a1c5755
1576c03944c70b
hex3aa29f51bf5f

64470132047711 has 8 divisors (see below), whose sum is σ = 70407251468064. Its totient is φ = 58672709555040.

The previous prime is 64470132047593. The next prime is 64470132047773. The reversal of 64470132047711 is 11774023107446.

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

It is a cyclic number.

It is not a de Polignac number, because 64470132047711 - 210 = 64470132046687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64470132043711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34924230956 + ... + 34924232801.

It is an arithmetic number, because the mean of its divisors is an integer number (8800906433508).

Almost surely, 264470132047711 is an apocalyptic number.

64470132047711 is a deficient number, since it is larger than the sum of its proper divisors (5937119420353).

64470132047711 is a wasteful number, since it uses less digits than its factorization.

64470132047711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69848463841.

The product of its (nonzero) digits is 790272, while the sum is 47.

The spelling of 64470132047711 in words is "sixty-four trillion, four hundred seventy billion, one hundred thirty-two million, forty-seven thousand, seven hundred eleven".

Divisors: 1 13 71 923 69848463757 908030028841 4959240926747 64470132047711