Search a number
-
+
1300145556 = 223733147811
BaseRepresentation
bin100110101111110…
…1010010110010100
310100121110020102010
41031133222112110
510130314124211
6333002344220
744135024553
oct11537522624
93317406363
101300145556
11607997666
123034bb070
131794892c8
14c495bd9a
157921d4a6
hex4d7ea594

1300145556 has 24 divisors (see below), whose sum is σ = 3037832224. Its totient is φ = 432787680.

The previous prime is 1300145531. The next prime is 1300145563. The reversal of 1300145556 is 6555410031.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65110 + ... + 82701.

Almost surely, 21300145556 is an apocalyptic number.

It is an amenable number.

1300145556 is an abundant number, since it is smaller than the sum of its proper divisors (1737686668).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1300145556 is a wasteful number, since it uses less digits than its factorization.

1300145556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148551 (or 148549 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 1300145556 is about 36057.5311966862. The cubic root of 1300145556 is about 1091.4336145621.

Adding to 1300145556 its reverse (6555410031), we get a palindrome (7855555587).

The spelling of 1300145556 in words is "one billion, three hundred million, one hundred forty-five thousand, five hundred fifty-six".

Divisors: 1 2 3 4 6 12 733 1466 2199 2932 4398 8796 147811 295622 443433 591244 886866 1773732 108345463 216690926 325036389 433381852 650072778 1300145556