Search a number
-
+
43013143020 = 2235716885717
BaseRepresentation
bin101000000011110010…
…000111100111101100
311010000122211001200010
4220003302013213230
51201042331034040
631432052533220
73051622453221
oct500362074754
9133018731603
1043013143020
1117272885a91
128405021210
1340963b9123
142120835948
1511bb2c4e80
hexa03c879ec

43013143020 has 24 divisors (see below), whose sum is σ = 120436800624. Its totient is φ = 11470171456.

The previous prime is 43013143013. The next prime is 43013143021. The reversal of 43013143020 is 2034131034.

It is not an unprimeable number, because it can be changed into a prime (43013143021) by changing a digit.

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, 358442799 + ... + 358442918.

It is an arithmetic number, because the mean of its divisors is an integer number (5018200026).

Almost surely, 243013143020 is an apocalyptic number.

It is an amenable number.

43013143020 is an abundant number, since it is smaller than the sum of its proper divisors (77423657604).

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

43013143020 is a wasteful number, since it uses less digits than its factorization.

43013143020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716885729 (or 716885727 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 43013143020 its reverse (2034131034), we get a palindrome (45047274054).

The spelling of 43013143020 in words is "forty-three billion, thirteen million, one hundred forty-three thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 716885717 1433771434 2150657151 2867542868 3584428585 4301314302 7168857170 8602628604 10753285755 14337714340 21506571510 43013143020