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18797038276 = 2219505948889
BaseRepresentation
bin10001100000011001…
…000000101011000100
31210111222221110222211
4101200121000223010
5301444020211101
612345113433204
71233544121602
oct214031005304
953458843884
1018797038276
117a76490085
12378710b804
131a073b7373
14ca4624872
15750347c51
hex460640ac4

18797038276 has 24 divisors (see below), whose sum is σ = 34633676000. Its totient is φ = 8901918144.

The previous prime is 18797038241. The next prime is 18797038289. The reversal of 18797038276 is 67283079781.

It is a self number, because there is not a number n which added to its sum of digits gives 18797038276.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 360040 + ... + 408928.

Almost surely, 218797038276 is an apocalyptic number.

It is an amenable number.

18797038276 is a deficient number, since it is larger than the sum of its proper divisors (15836637724).

18797038276 is a wasteful number, since it uses less digits than its factorization.

18797038276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53971 (or 53969 counting only the distinct ones).

The product of its (nonzero) digits is 7112448, while the sum is 58.

The spelling of 18797038276 in words is "eighteen billion, seven hundred ninety-seven million, thirty-eight thousand, two hundred seventy-six".

Divisors: 1 2 4 19 38 76 5059 10118 20236 48889 96121 97778 192242 195556 384484 928891 1857782 3715564 247329451 494658902 989317804 4699259569 9398519138 18797038276