Search a number
-
+
405050466497 = 1577325679989
BaseRepresentation
bin1011110010011101110…
…00111010000011000001
31102201111122220122120112
411321032320322003001
523114020404411442
6510024433121105
741156346105065
oct5711670720301
91381448818515
10405050466497
11146865479656
12666026b9195
132c271a89761
1415866c3daa5
15a809ebd082
hex5e4ee3a0c1

405050466497 has 4 divisors (see below), whose sum is σ = 405076162260. Its totient is φ = 405024770736.

The previous prime is 405050466479. The next prime is 405050466523. The reversal of 405050466497 is 794664050504.

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 257120999041 + 147929467456 = 507071^2 + 384616^2 .

It is a cyclic number.

It is not a de Polignac number, because 405050466497 - 26 = 405050466433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (405050466407) 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 3 ways as a sum of consecutive naturals, for example, 12824222 + ... + 12855767.

It is an arithmetic number, because the mean of its divisors is an integer number (101269040565).

Almost surely, 2405050466497 is an apocalyptic number.

It is an amenable number.

405050466497 is a deficient number, since it is larger than the sum of its proper divisors (25695763).

405050466497 is a wasteful number, since it uses less digits than its factorization.

405050466497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25695762.

The product of its (nonzero) digits is 3628800, while the sum is 50.

The spelling of 405050466497 in words is "four hundred five billion, fifty million, four hundred sixty-six thousand, four hundred ninety-seven".

Divisors: 1 15773 25679989 405050466497