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65742422676 = 22371019837883
BaseRepresentation
bin111101001110100011…
…011100001010010100
320021200200222002202120
4331032203130022110
52034120030011201
650111320135540
74515105241530
oct751643341224
9207620862676
1065742422676
112597697a227
12108a90075b0
13627935c628
1432793b2bc0
151a9b95b536
hexf4e8dc294

65742422676 has 96 divisors (see below), whose sum is σ = 177251493888. Its totient is φ = 18576297600.

The previous prime is 65742422659. The next prime is 65742422677. The reversal of 65742422676 is 67622424756.

65742422676 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×657424226762 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65742422677) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8335831 + ... + 8343713.

It is an arithmetic number, because the mean of its divisors is an integer number (1846369728).

Almost surely, 265742422676 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65742422676, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88625746944).

65742422676 is an abundant number, since it is smaller than the sum of its proper divisors (111509071212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65742422676 is a wasteful number, since it uses less digits than its factorization.

65742422676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8981 (or 8979 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 51.

The spelling of 65742422676 in words is "sixty-five billion, seven hundred forty-two million, four hundred twenty-two thousand, six hundred seventy-six".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 101 202 303 404 606 707 983 1212 1414 1966 2121 2828 2949 3932 4242 5898 6881 7883 8484 11796 13762 15766 20643 23649 27524 31532 41286 47298 55181 82572 94596 99283 110362 165543 198566 220724 297849 331086 397132 595698 662172 694981 796183 1191396 1389962 1592366 2084943 2388549 2779924 3184732 4169886 4777098 5573281 7748989 8339772 9554196 11146562 15497978 16719843 22293124 23246967 30995956 33439686 46493934 54242923 66879372 92987868 108485846 162728769 216971692 325457538 650915076 782647889 1565295778 2347943667 3130591556 4695887334 5478535223 9391774668 10957070446 16435605669 21914140892 32871211338 65742422676