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3871486045007 = 71382094001689
BaseRepresentation
bin111000010101100110100…
…011001110101101001111
3111201002222112000100211022
4320111212203032231033
51001412300411420012
612122311445544355
7546464014262360
oct70254643165517
914632875010738
103871486045007
111262984a41109
125263a0a150bb
13221105a6b399
14d5549383b67
156aa8d836472
hex385668ceb4f

3871486045007 has 8 divisors (see below), whose sum is σ = 4424588599200. Its totient is φ = 3318391770624.

The previous prime is 3871486044973. The next prime is 3871486045057. The reversal of 3871486045007 is 7005406841783.

It is a happy number.

3871486045007 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-3871486045007 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3871486045007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3871486045057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1033382 + ... + 2968307.

It is an arithmetic number, because the mean of its divisors is an integer number (553073574900).

Almost surely, 23871486045007 is an apocalyptic number.

3871486045007 is a deficient number, since it is larger than the sum of its proper divisors (553102554193).

3871486045007 is a wasteful number, since it uses less digits than its factorization.

3871486045007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4139905.

The product of its (nonzero) digits is 4515840, while the sum is 53.

The spelling of 3871486045007 in words is "three trillion, eight hundred seventy-one billion, four hundred eighty-six million, forty-five thousand, seven".

Divisors: 1 7 138209 967463 4001689 28011823 553069435001 3871486045007