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382434315221 = 7791006168737
BaseRepresentation
bin1011001000010101101…
…11001000101111010101
31100120010111122010110002
411210022313020233111
522231211141041341
6451404330341045
736426036021020
oct5441267105725
91316114563402
10382434315221
1113820a223442
126215058a785
132a0a93a551a
141471d3101b7
159e3473129b
hex590adc8bd5

382434315221 has 16 divisors (see below), whose sum is σ = 442650723840. Its totient is φ = 323614586880.

The previous prime is 382434315199. The next prime is 382434315227. The reversal of 382434315221 is 122513434283.

It is a cyclic number.

It is not a de Polignac number, because 382434315221 - 214 = 382434298837 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 (382434315227) 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, 5529365 + ... + 5598101.

It is an arithmetic number, because the mean of its divisors is an integer number (27665670240).

Almost surely, 2382434315221 is an apocalyptic number.

It is an amenable number.

382434315221 is a deficient number, since it is larger than the sum of its proper divisors (60216408619).

382434315221 is a wasteful number, since it uses less digits than its factorization.

382434315221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78884.

The product of its digits is 138240, while the sum is 38.

The spelling of 382434315221 in words is "three hundred eighty-two billion, four hundred thirty-four million, three hundred fifteen thousand, two hundred twenty-one".

Divisors: 1 7 79 553 10061 68737 70427 481159 794819 5430223 5563733 38011561 691562957 4840940699 54633473603 382434315221