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80122108 = 22111820957
BaseRepresentation
bin1001100011010…
…01000011111100
312120202121212111
410301221003330
5131002401413
611541143404
71662012103
oct461510374
9176677774
1080122108
1141254a20
12229bab64
13137a3b41
14a8d903a
157079d3d
hex4c690fc

80122108 has 12 divisors (see below), whose sum is σ = 152960472. Its totient is φ = 36419120.

The previous prime is 80122051. The next prime is 80122123.

80122108 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 910435 + ... + 910522.

It is an arithmetic number, because the mean of its divisors is an integer number (12746706).

Almost surely, 280122108 is an apocalyptic number.

It is an amenable number.

80122108 is a deficient number, since it is larger than the sum of its proper divisors (72838364).

80122108 is a wasteful number, since it uses less digits than its factorization.

80122108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1820972 (or 1820970 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 22.

The square root of 80122108 is about 8951.0953519667. The cubic root of 80122108 is about 431.1060546539.

The spelling of 80122108 in words is "eighty million, one hundred twenty-two thousand, one hundred eight".

Divisors: 1 2 4 11 22 44 1820957 3641914 7283828 20030527 40061054 80122108