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641341523242 = 27231991743861
BaseRepresentation
bin10010101010100101110…
…11110000010100101010
32021022102012020000220201
421111102323300110222
541001431412220432
61210343410342414
764223020000210
oct11252273602452
92238365200821
10641341523242
11227a9a62a932
12a4367b8aa0a
134862a9259b4
1423080aa0cb0
1511a394e7ee7
hex9552ef052a

641341523242 has 16 divisors (see below), whose sum is σ = 1147244464512. Its totient is φ = 262910189520.

The previous prime is 641341523159. The next prime is 641341523279. The reversal of 641341523242 is 242325143146.

It is a super-2 number, since 2×6413415232422 (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 995871609 + ... + 995872252.

It is an arithmetic number, because the mean of its divisors is an integer number (71702779032).

Almost surely, 2641341523242 is an apocalyptic number.

641341523242 is a deficient number, since it is larger than the sum of its proper divisors (505902941270).

641341523242 is a wasteful number, since it uses less digits than its factorization.

641341523242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1991743893.

The product of its digits is 138240, while the sum is 37.

Adding to 641341523242 its reverse (242325143146), we get a palindrome (883666666388).

The spelling of 641341523242 in words is "six hundred forty-one billion, three hundred forty-one million, five hundred twenty-three thousand, two hundred forty-two".

Divisors: 1 2 7 14 23 46 161 322 1991743861 3983487722 13942207027 27884414054 45810108803 91620217606 320670761621 641341523242