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13887762651389 = 118315211131053
BaseRepresentation
bin1100101000010111111100…
…1010001101100011111101
31211011122202001112220002002
43022011333022031203331
53310014114214321024
645311541115112045
72632233463544624
oct312057712154375
954148661486062
1013887762651389
114474848a66440
12168365b742625
137997c2079933
143602580886bb
151913bc6ac6ae
hexca17f28d8fd

13887762651389 has 8 divisors (see below), whose sum is σ = 15332820102432. Its totient is φ = 12473127462640.

The previous prime is 13887762651271. The next prime is 13887762651397. The reversal of 13887762651389 is 98315626778831.

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 13887762651389 - 224 = 13887745874173 is a prime.

It is a super-2 number, since 2×138877626513892 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13887762651589) 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, 7605564614 + ... + 7605566439.

It is an arithmetic number, because the mean of its divisors is an integer number (1916602512804).

Almost surely, 213887762651389 is an apocalyptic number.

It is an amenable number.

13887762651389 is a deficient number, since it is larger than the sum of its proper divisors (1445057451043).

13887762651389 is a wasteful number, since it uses less digits than its factorization.

13887762651389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15211131147.

The product of its digits is 731566080, while the sum is 74.

The spelling of 13887762651389 in words is "thirteen trillion, eight hundred eighty-seven billion, seven hundred sixty-two million, six hundred fifty-one thousand, three hundred eighty-nine".

Divisors: 1 11 83 913 15211131053 167322441583 1262523877399 13887762651389