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80121982322 = 219109128315077
BaseRepresentation
bin100101010011110100…
…1000110110101110010
321122210211122102021202
41022213221012311302
52303042211413242
6100450232051202
75534332420124
oct1124751066562
9248724572252
1080121982322
1130a85852218
1213640833b02
13772b4a40c5
143c4104d214
15213e066932
hex12a7a46d72

80121982322 has 32 divisors (see below), whose sum is σ = 127777003200. Its totient is φ = 37572527808.

The previous prime is 80121982313. The next prime is 80121982337. The reversal of 80121982322 is 22328912108.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 5306648 + ... + 5321724.

It is an arithmetic number, because the mean of its divisors is an integer number (3993031350).

Almost surely, 280121982322 is an apocalyptic number.

80121982322 is a deficient number, since it is larger than the sum of its proper divisors (47655020878).

80121982322 is a wasteful number, since it uses less digits than its factorization.

80121982322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16490.

The product of its (nonzero) digits is 27648, while the sum is 38.

The spelling of 80121982322 in words is "eighty billion, one hundred twenty-one million, nine hundred eighty-two thousand, three hundred twenty-two".

Divisors: 1 2 19 38 109 218 1283 2071 2566 4142 15077 24377 30154 48754 139847 279694 286463 572926 1643393 2657093 3286786 5314186 19343791 31224467 38687582 62448934 367532029 735064058 2108473219 4216946438 40060991161 80121982322