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38871065517441 = 378733151496631
BaseRepresentation
bin10001101011010011000000…
…00011010101110110000001
312002122001000101112020100120
420311221200003111312001
520043330420233024231
6214401042044210453
711121225145215123
oct1065514003256601
9162561011466316
1038871065517441
1111427143133083
124439581239a29
13188c6ab0c39c1
149855262cb213
154761d3e65d96
hex235a600d5d81

38871065517441 has 16 divisors (see below), whose sum is σ = 51895612489728. Its totient is φ = 25880283234000.

The previous prime is 38871065517439. The next prime is 38871065517451. The reversal of 38871065517441 is 14471556017883.

It is a happy number.

It is not a de Polignac number, because 38871065517441 - 21 = 38871065517439 is a prime.

It is a super-2 number, since 2×388710655174412 (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38871065517451) 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 15 ways as a sum of consecutive naturals, for example, 78021196 + ... + 78517826.

It is an arithmetic number, because the mean of its divisors is an integer number (3243475780608).

Almost surely, 238871065517441 is an apocalyptic number.

It is an amenable number.

38871065517441 is a deficient number, since it is larger than the sum of its proper divisors (13024546972287).

38871065517441 is a wasteful number, since it uses less digits than its factorization.

38871065517441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530572.

The product of its (nonzero) digits is 22579200, while the sum is 60.

The spelling of 38871065517441 in words is "thirty-eight trillion, eight hundred seventy-one billion, sixty-five million, five hundred seventeen thousand, four hundred forty-one".

Divisors: 1 3 787 2361 33151 99453 496631 1489893 26089837 78269511 390848597 1172545791 16463814281 49391442843 12957021839147 38871065517441