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13961542089 = 3114719147129
BaseRepresentation
bin11010000000010110…
…00011100111001001
31100001000002211020110
431000023003213021
5212043123321324
610225220144533
71002660102225
oct150013034711
940030084213
1013961542089
115a14a21240
122857838149
131416665211
14966345785
1556aa88329
hex3402c39c9

13961542089 has 32 divisors (see below), whose sum is σ = 20848803840. Its totient is φ = 8237974400.

The previous prime is 13961542061. The next prime is 13961542103. The reversal of 13961542089 is 98024516931.

It is a cyclic number.

It is not a de Polignac number, because 13961542089 - 29 = 13961541577 is a prime.

It is a super-3 number, since 3×139615420893 (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (13961542789) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 272677 + ... + 319805.

It is an arithmetic number, because the mean of its divisors is an integer number (651525120).

Almost surely, 213961542089 is an apocalyptic number.

It is an amenable number.

13961542089 is a deficient number, since it is larger than the sum of its proper divisors (6887261751).

13961542089 is a wasteful number, since it uses less digits than its factorization.

13961542089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47381.

The product of its (nonzero) digits is 466560, while the sum is 48.

The spelling of 13961542089 in words is "thirteen billion, nine hundred sixty-one million, five hundred forty-two thousand, eighty-nine".

Divisors: 1 3 11 33 47 141 191 517 573 1551 2101 6303 8977 26931 47129 98747 141387 296241 518419 1555257 2215063 6645189 9001639 24365693 27004917 73097079 99018029 297054087 423077033 1269231099 4653847363 13961542089