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80122893 = 326707631
BaseRepresentation
bin1001100011010…
…01010000001101
312120202122221120
410301221100031
5131002413033
611541151153
71662014304
oct461512015
9176678846
1080122893
1141255574
12229bb4b9
13137a42c6
14a8d943b
15707a1b3
hex4c6940d

80122893 has 4 divisors (see below), whose sum is σ = 106830528. Its totient is φ = 53415260.

The previous prime is 80122883. The next prime is 80122927. The reversal of 80122893 is 39822108.

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 not a de Polignac number, because 80122893 - 24 = 80122877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80122843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13353813 + ... + 13353818.

It is an arithmetic number, because the mean of its divisors is an integer number (26707632).

Almost surely, 280122893 is an apocalyptic number.

It is an amenable number.

80122893 is a deficient number, since it is larger than the sum of its proper divisors (26707635).

80122893 is a wasteful number, since it uses less digits than its factorization.

80122893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26707634.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 80122893 is about 8951.1392012414. The cubic root of 80122893 is about 431.1074625763.

The spelling of 80122893 in words is "eighty million, one hundred twenty-two thousand, eight hundred ninety-three".

Divisors: 1 3 26707631 80122893