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65432642461 = 1071663367721
BaseRepresentation
bin111100111100000101…
…101110001110011101
320020220010001122012021
4330330011232032131
52033001224024321
650020452340141
74504324166314
oct747405561635
9206803048167
1065432642461
112582802581a
1210821314651
13622a119024
14324a1b527b
151a7e669941
hexf3c16e39d

65432642461 has 8 divisors (see below), whose sum is σ = 66084056064. Its totient is φ = 64781967840.

The previous prime is 65432642413. The next prime is 65432642479. The reversal of 65432642461 is 16424623456.

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 65432642461 - 29 = 65432641949 is a prime.

It is a super-4 number, since 4×654326424614 (a number of 44 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65432642861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5920 + ... + 361801.

It is an arithmetic number, because the mean of its divisors is an integer number (8260507008).

Almost surely, 265432642461 is an apocalyptic number.

It is an amenable number.

65432642461 is a deficient number, since it is larger than the sum of its proper divisors (651413603).

65432642461 is a wasteful number, since it uses less digits than its factorization.

65432642461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369491.

The product of its digits is 829440, while the sum is 43.

The spelling of 65432642461 in words is "sixty-five billion, four hundred thirty-two million, six hundred forty-two thousand, four hundred sixty-one".

Divisors: 1 107 1663 177941 367721 39346147 611520023 65432642461