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1980208758532 = 2237149817910979
BaseRepresentation
bin11100110100001101101…
…000111011111100000100
321000022021011010121120211
4130310031220323330010
5224420431420233112
64113410110005204
7263031263504434
oct34641550737404
97008234117524
101980208758532
116a3890247184
1227b93baa6804
1311496b1bc4c4
146bbb21ca2c4
153679a74b0a7
hex1cd0da3bf04

1980208758532 has 48 divisors (see below), whose sum is σ = 3583674360000. Its totient is φ = 956675263104.

The previous prime is 1980208758509. The next prime is 1980208758629. The reversal of 1980208758532 is 2358578020891.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180357819 + ... + 180368797.

It is an arithmetic number, because the mean of its divisors is an integer number (74659882500).

Almost surely, 21980208758532 is an apocalyptic number.

It is an amenable number.

1980208758532 is a deficient number, since it is larger than the sum of its proper divisors (1603465601468).

1980208758532 is a wasteful number, since it uses less digits than its factorization.

1980208758532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19348 (or 19346 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 58.

The spelling of 1980208758532 in words is "one trillion, nine hundred eighty billion, two hundred eight million, seven hundred fifty-eight thousand, five hundred thirty-two".

Divisors: 1 2 4 37 74 148 149 298 596 5513 8179 10979 11026 16358 21958 22052 32716 43916 302623 406223 605246 812446 1210492 1218671 1624892 1635871 2437342 3271742 4874684 6543484 45090827 60527227 89797241 90181654 121054454 179594482 180363308 242108908 359188964 3322497917 6644995834 13289991668 13379788909 26759577818 53519155636 495052189633 990104379266 1980208758532