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64345103541 = 333539673397
BaseRepresentation
bin111011111011010001…
…000101110010110101
320011002022122221021000
4323323101011302311
52023234321303131
645320522513513
74435350233025
oct737321056265
9204068587230
1064345103541
112531a151724
1210579065899
1360b5a0c184
14318599ba85
151a18e45ce6
hexefb445cb5

64345103541 has 16 divisors (see below), whose sum is σ = 95353156800. Its totient is φ = 42884550864.

The previous prime is 64345103539. The next prime is 64345103549. The reversal of 64345103541 is 14530154346.

64345103541 is a `hidden beast` number, since 6 + 4 + 3 + 4 + 5 + 103 + 541 = 666.

It is not a de Polignac number, because 64345103541 - 21 = 64345103539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64345103496 and 64345103505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64345103549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 241146 + ... + 432251.

It is an arithmetic number, because the mean of its divisors is an integer number (5959572300).

Almost surely, 264345103541 is an apocalyptic number.

It is an amenable number.

64345103541 is a deficient number, since it is larger than the sum of its proper divisors (31008053259).

64345103541 is a wasteful number, since it uses less digits than its factorization.

64345103541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676945 (or 676939 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

Adding to 64345103541 its reverse (14530154346), we get a palindrome (78875257887).

The spelling of 64345103541 in words is "sixty-four billion, three hundred forty-five million, one hundred three thousand, five hundred forty-one".

Divisors: 1 3 9 27 3539 10617 31851 95553 673397 2020191 6060573 18181719 2383151983 7149455949 21448367847 64345103541