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39100000143 = 3292511790539
BaseRepresentation
bin100100011010100010…
…101010011110001111
310201220221112210210110
4210122202222132033
51120034100001033
625543504411103
72552635342341
oct443242523617
9121827483713
1039100000143
1115644a26906
1276b2616a93
1338c1788c79
141c6cc51291
15103c9aa363
hex91a8aa78f

39100000143 has 16 divisors (see below), whose sum is σ = 54145929600. Its totient is φ = 25067532000.

The previous prime is 39100000129. The next prime is 39100000183. The reversal of 39100000143 is 34100000193.

39100000143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 39100000143 - 24 = 39100000127 is a prime.

It is a super-2 number, since 2×391000001432 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39100000123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 873433 + ... + 917106.

It is an arithmetic number, because the mean of its divisors is an integer number (3384120600).

Almost surely, 239100000143 is an apocalyptic number.

39100000143 is a deficient number, since it is larger than the sum of its proper divisors (15045929457).

39100000143 is a wasteful number, since it uses less digits than its factorization.

39100000143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1790822.

The product of its (nonzero) digits is 324, while the sum is 21.

The spelling of 39100000143 in words is "thirty-nine billion, one hundred million, one hundred forty-three", and thus it is an aban number.

Divisors: 1 3 29 87 251 753 7279 21837 1790539 5371617 51925631 155776893 449425289 1348275867 13033333381 39100000143