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13896456147238 = 272192392799371
BaseRepresentation
bin1100101000111000010101…
…0101010001000100100110
31211012111011220220020102211
43022032011111101010212
53310134420233202423
645315535510554034
72632662065206600
oct312160525210446
954174156806384
1013896456147238
1144784aa240555
12168528706891a
1379a579192812
143608408b6170
1519172a9e310d
hexca385551126

13896456147238 has 36 divisors (see below), whose sum is σ = 25591271885172. Its totient is φ = 5642170150680.

The previous prime is 13896456147229. The next prime is 13896456147269. The reversal of 13896456147238 is 83274165469831.

It is a super-2 number, since 2×138964561472382 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 196364308 + ... + 196435063.

It is an arithmetic number, because the mean of its divisors is an integer number (710868663477).

Almost surely, 213896456147238 is an apocalyptic number.

13896456147238 is a deficient number, since it is larger than the sum of its proper divisors (11694815737934).

13896456147238 is a wasteful number, since it uses less digits than its factorization.

13896456147238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392799425 (or 392799399 counting only the distinct ones).

The product of its digits is 209018880, while the sum is 67.

The spelling of 13896456147238 in words is "thirteen trillion, eight hundred ninety-six billion, four hundred fifty-six million, one hundred forty-seven thousand, two hundred thirty-eight".

Divisors: 1 2 7 14 19 38 49 98 133 266 361 722 931 1862 2527 5054 17689 35378 392799371 785598742 2749595597 5499191194 7463188049 14926376098 19247169179 38494338358 52242316343 104484632686 141800572931 283601145862 365696214401 731392428802 992604010517 1985208021034 6948228073619 13896456147238