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65214260607 = 321738086869
BaseRepresentation
bin111100101111000100…
…101010010101111111
320020022220010200121110
4330233010222111333
52032024322314412
645543051533103
74466033032446
oct745704522577
9206286120543
1065214260607
1125725828251
121078015a193
1361c3ac6cb2
1432291a9d5d
151a6a3cdd3c
hexf2f12a57f

65214260607 has 4 divisors (see below), whose sum is σ = 86952347480. Its totient is φ = 43476173736.

The previous prime is 65214260593. The next prime is 65214260641. The reversal of 65214260607 is 70606241256.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 65214260607 - 26 = 65214260543 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 (65214060607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10869043432 + ... + 10869043437.

It is an arithmetic number, because the mean of its divisors is an integer number (21738086870).

Almost surely, 265214260607 is an apocalyptic number.

65214260607 is a deficient number, since it is larger than the sum of its proper divisors (21738086873).

65214260607 is a wasteful number, since it uses less digits than its factorization.

65214260607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21738086872.

The product of its (nonzero) digits is 120960, while the sum is 39.

The spelling of 65214260607 in words is "sixty-five billion, two hundred fourteen million, two hundred sixty thousand, six hundred seven".

Divisors: 1 3 21738086869 65214260607