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3853872490517 = 78273361198073
BaseRepresentation
bin111000000101001100101…
…100110110100000010101
3111122102112000000002101022
4320011030230312200111
51001120212324144032
612110240010210525
7545301360446510
oct70051454664025
914572460002338
103853872490517
111256466606a05
12522aa6123a45
1321c5599149aa
14d4757dcdd77
156a3ac365512
hex3814cb36815

3853872490517 has 16 divisors (see below), whose sum is σ = 4411085795712. Its totient is φ = 3298326635520.

The previous prime is 3853872490499. The next prime is 3853872490561. The reversal of 3853872490517 is 7150942783583.

It is not a de Polignac number, because 3853872490517 - 212 = 3853872486421 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3853872490517.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3853872490597) 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, 19357793 + ... + 19555865.

It is an arithmetic number, because the mean of its divisors is an integer number (275692862232).

Almost surely, 23853872490517 is an apocalyptic number.

It is an amenable number.

3853872490517 is a deficient number, since it is larger than the sum of its proper divisors (557213305195).

3853872490517 is a wasteful number, since it uses less digits than its factorization.

3853872490517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202268.

The product of its (nonzero) digits is 50803200, while the sum is 62.

The spelling of 3853872490517 in words is "three trillion, eight hundred fifty-three billion, eight hundred seventy-two million, four hundred ninety thousand, five hundred seventeen".

Divisors: 1 7 827 3361 5789 23527 198073 1386511 2779547 19456829 163806371 665723353 1146644597 4660063471 550553212931 3853872490517