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643241014141 = 11107546508933
BaseRepresentation
bin10010101110001000010…
…01101111001101111101
32021111022120110011120111
421113010021233031331
541014324144423031
61211300103150021
764321053256435
oct11270411571575
92244276404514
10643241014141
11228884868520
12a47b8145311
134887130b8cb
14231c10752c5
1511aeb1551b1
hex95c426f37d

643241014141 has 8 divisors (see below), whose sum is σ = 708275578464. Its totient is φ = 579299467920.

The previous prime is 643241014109. The next prime is 643241014147. The reversal of 643241014141 is 141410142346.

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 643241014141 - 25 = 643241014109 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 (643241014147) 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, 273253290 + ... + 273255643.

It is an arithmetic number, because the mean of its divisors is an integer number (88534447308).

Almost surely, 2643241014141 is an apocalyptic number.

It is an amenable number.

643241014141 is a deficient number, since it is larger than the sum of its proper divisors (65034564323).

643241014141 is a wasteful number, since it uses less digits than its factorization.

643241014141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546509051.

The product of its (nonzero) digits is 9216, while the sum is 31.

Adding to 643241014141 its reverse (141410142346), we get a palindrome (784651156487).

The spelling of 643241014141 in words is "six hundred forty-three billion, two hundred forty-one million, fourteen thousand, one hundred forty-one".

Divisors: 1 11 107 1177 546508933 6011598263 58476455831 643241014141