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38897659268216 = 2372268721369263
BaseRepresentation
bin10001101100000100100010…
…01010011100110001111000
312002201120122202100202012222
420312002101022130301320
520044244401233040331
6214421201000423212
711123156154321200
oct1066022112346170
9162646582322188
1038897659268216
111143744a662701
124442763477b08
1318920588856c8
1498692a1bd400
15476c3da00b7b
hex23609129cc78

38897659268216 has 48 divisors (see below), whose sum is σ = 84841103319840. Its totient is φ = 16670318219520.

The previous prime is 38897659268207. The next prime is 38897659268219. The reversal of 38897659268216 is 61286295679883.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38897659268219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 105154001 + ... + 105523263.

It is an arithmetic number, because the mean of its divisors is an integer number (1767522985830).

Almost surely, 238897659268216 is an apocalyptic number.

It is an amenable number.

38897659268216 is an abundant number, since it is smaller than the sum of its proper divisors (45943444051624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38897659268216 is a wasteful number, since it uses less digits than its factorization.

38897659268216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638004 (or 637993 counting only the distinct ones).

The product of its digits is 3762339840, while the sum is 80.

The spelling of 38897659268216 in words is "thirty-eight trillion, eight hundred ninety-seven billion, six hundred fifty-nine million, two hundred sixty-eight thousand, two hundred sixteen".

Divisors: 1 2 4 7 8 14 28 49 56 98 196 392 268721 369263 537442 738526 1074884 1477052 1881047 2149768 2584841 2954104 3762094 5169682 7524188 10339364 13167329 15048376 18093887 20678728 26334658 36187774 52669316 72375548 105338632 144751096 99228722623 198457445246 396914890492 694601058361 793829780984 1389202116722 2778404233444 4862207408527 5556808466888 9724414817054 19448829634108 38897659268216