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18572290155364 = 22112312712892
BaseRepresentation
bin1000011100100001100101…
…10000011110001101100100
32102202111022211111202100211
410032100302300132031210
54413242022234432424
6103255554201145204
73624542443412521
oct416206260361544
972674284452324
1018572290155364
115a10511683400
1220bb52648b204
13a49489920cba
14482c91832148
152231941c6b94
hex10e432c1e364

18572290155364 has 243 divisors, whose sum is σ = 37867048329369. Its totient is φ = 7964063184000.

The previous prime is 18572290155359. The next prime is 18572290155403. The reversal of 18572290155364 is 46355109227581.

The square root of 18572290155364 is 4309558.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 3566273617764 + 15006016537600 = 1888458^2 + 3873760^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18572290155299 and 18572290155308.

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 80 ways as a sum of consecutive naturals, for example, 208677417432 + ... + 208677417520.

It is a 1-persistent number, because it is pandigital, but 2⋅18572290155364 = 37144580310728 is not.

Almost surely, 218572290155364 is an apocalyptic number.

18572290155364 is the 4309558-th square number.

It is an amenable number.

18572290155364 is an abundant number, since it is smaller than the sum of its proper divisors (19294758174005).

18572290155364 is an equidigital number, since it uses as much as digits as its factorization.

18572290155364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408 (or 204 counting only the distinct ones).

The product of its (nonzero) digits is 18144000, while the sum is 58.

The spelling of 18572290155364 in words is "eighteen trillion, five hundred seventy-two billion, two hundred ninety million, one hundred fifty-five thousand, three hundred sixty-four".