Search a number
-
+
405206130044 = 22234404414457
BaseRepresentation
bin1011110010110000010…
…10101101110101111100
31102201220111211011211002
411321120022231311330
523114330232130134
6510052113345432
741163246163502
oct5713012556574
91381814734732
10405206130044
11146935329a11
1266646868278
132c2980bc471
141587d7a0672
15a8189ba87e
hex5e582add7c

405206130044 has 12 divisors (see below), whose sum is σ = 739941628944. Its totient is φ = 193794236064.

The previous prime is 405206130041. The next prime is 405206130059. The reversal of 405206130044 is 440031602504.

It is a junction number, because it is equal to n+sod(n) for n = 405206129989 and 405206130016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405206130041) 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, 2202207137 + ... + 2202207320.

It is an arithmetic number, because the mean of its divisors is an integer number (61661802412).

Almost surely, 2405206130044 is an apocalyptic number.

It is an amenable number.

405206130044 is a deficient number, since it is larger than the sum of its proper divisors (334735498900).

405206130044 is a wasteful number, since it uses less digits than its factorization.

405206130044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4404414484 (or 4404414482 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 405206130044 its reverse (440031602504), we get a palindrome (845237732548).

The spelling of 405206130044 in words is "four hundred five billion, two hundred six million, one hundred thirty thousand, forty-four".

Divisors: 1 2 4 23 46 92 4404414457 8808828914 17617657828 101301532511 202603065022 405206130044