Search a number
-
+
80150729293 = 109797300367
BaseRepresentation
bin100101010100101011…
…0110001001001001101
321122212211201220201101
41022221112301021031
52303122041314133
6100453140143101
75535131646415
oct1125126611115
9248784656641
1080150729293
1130a9aaa7248
121364a397a91
13773442a94b
143c44bb3645
15214184437d
hex12a95b124d

80150729293 has 4 divisors (see below), whose sum is σ = 80158040640. Its totient is φ = 80143417948.

The previous prime is 80150729287. The next prime is 80150729327. The reversal of 80150729293 is 39292705108.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-80150729293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80150729213) 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 3 ways as a sum of consecutive naturals, for example, 3639205 + ... + 3661162.

It is an arithmetic number, because the mean of its divisors is an integer number (20039510160).

Almost surely, 280150729293 is an apocalyptic number.

It is an amenable number.

80150729293 is a deficient number, since it is larger than the sum of its proper divisors (7311347).

80150729293 is a wasteful number, since it uses less digits than its factorization.

80150729293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7311346.

The product of its (nonzero) digits is 272160, while the sum is 46.

The spelling of 80150729293 in words is "eighty billion, one hundred fifty million, seven hundred twenty-nine thousand, two hundred ninety-three".

Divisors: 1 10979 7300367 80150729293