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3831398452069 = 43181709694327
BaseRepresentation
bin110111110000010001001…
…001001100101101100101
3111120021111202010122101221
4313300101021030231211
51000233201000431234
612052041541420341
7543544424332516
oct67602111145545
914507452118357
103831398452069
1112479835a6211
1251a67370a6b1
1321a3b77ca6a6
14d36252d4a0d
15699e42eaeb4
hex37c1124cb65

3831398452069 has 16 divisors (see below), whose sum is σ = 3947726823040. Its totient is φ = 3716366028480.

The previous prime is 3831398452019. The next prime is 3831398452081. The reversal of 3831398452069 is 9602548931383.

It is a cyclic number.

It is not a de Polignac number, because 3831398452069 - 27 = 3831398451941 is a prime.

It is a super-2 number, since 2×38313984520692 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3831398451998 and 3831398452016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3831398452019) 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, 5170984 + ... + 5865310.

It is an arithmetic number, because the mean of its divisors is an integer number (246732926440).

Almost surely, 23831398452069 is an apocalyptic number.

It is an amenable number.

3831398452069 is a deficient number, since it is larger than the sum of its proper divisors (116328370971).

3831398452069 is a wasteful number, since it uses less digits than its factorization.

3831398452069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695260.

The product of its (nonzero) digits is 33592320, while the sum is 61.

The spelling of 3831398452069 in words is "three trillion, eight hundred thirty-one billion, three hundred ninety-eight million, four hundred fifty-two thousand, sixty-nine".

Divisors: 1 43 181 709 7783 30487 128329 694327 5518147 29856061 125673187 492277843 5403947041 21167947249 89102289583 3831398452069