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408066012507049 = 1331389693269773
BaseRepresentation
bin101110011001000100100010…
…1101110000110101110101001
31222111211201201000211022212121
41130302021011232012232221
5411441223143200211144
64003514534352111241
7151644540124665421
oct13462110556065651
91874751630738777
10408066012507049
1110902790788a486
1239925b15b35521
13146905c9426870
1472aa7010c3481
153229b005a0384
hex1732245b86ba9

408066012507049 has 4 divisors (see below), whose sum is σ = 439455705776836. Its totient is φ = 376676319237264.

The previous prime is 408066012507047. The next prime is 408066012507103. The reversal of 408066012507049 is 940705210660804.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25747454898025 + 382318557609024 = 5074195^2 + 19552968^2 .

It is a cyclic number.

It is not a de Polignac number, because 408066012507049 - 21 = 408066012507047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 408066012506987 and 408066012507005.

It is not an unprimeable number, because it can be changed into a prime (408066012507047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15694846634874 + ... + 15694846634899.

It is an arithmetic number, because the mean of its divisors is an integer number (109863926444209).

Almost surely, 2408066012507049 is an apocalyptic number.

It is an amenable number.

408066012507049 is a deficient number, since it is larger than the sum of its proper divisors (31389693269787).

408066012507049 is a wasteful number, since it uses less digits than its factorization.

408066012507049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31389693269786.

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 408066012507049 in words is "four hundred eight trillion, sixty-six billion, twelve million, five hundred seven thousand, forty-nine".

Divisors: 1 13 31389693269773 408066012507049