Search a number
-
+
43670807380 = 2252183540369
BaseRepresentation
bin101000101010111110…
…111010001101010100
311011201111022212120101
4220222332322031110
51203414211314010
632021224543444
73104126511064
oct505276721524
9134644285511
1043670807380
1117580039a52
128569321b84
13416c724835
142183d0d3a4
151208dd373a
hexa2afba354

43670807380 has 12 divisors (see below), whose sum is σ = 91708695540. Its totient is φ = 17468322944.

The previous prime is 43670807371. The next prime is 43670807387. The reversal of 43670807380 is 8370807634.

It can be written as a sum of positive squares in 2 ways, for example, as 5448211344 + 38222596036 = 73812^2 + 195506^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 43670807380.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43670807387) 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, 1091770165 + ... + 1091770204.

It is an arithmetic number, because the mean of its divisors is an integer number (7642391295).

Almost surely, 243670807380 is an apocalyptic number.

It is an amenable number.

43670807380 is an abundant number, since it is smaller than the sum of its proper divisors (48037888160).

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

43670807380 is a wasteful number, since it uses less digits than its factorization.

43670807380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2183540378 (or 2183540376 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 46.

The spelling of 43670807380 in words is "forty-three billion, six hundred seventy million, eight hundred seven thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 2183540369 4367080738 8734161476 10917701845 21835403690 43670807380