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18148536355 = 543132763611
BaseRepresentation
bin10000111001101111…
…001011000000100011
31201211210200011121011
4100321233023000203
5244132011130410
612200510041351
71211511004465
oct207157130043
951753604534
1018148536355
117773414a84
123625aa9257
131932c39211
14c42454135
1571344918a
hex439bcb023

18148536355 has 16 divisors (see below), whose sum is σ = 22301858304. Its totient is φ = 14170272480.

The previous prime is 18148536319. The next prime is 18148536391. The reversal of 18148536355 is 55363584181.

It is an interprime number because it is at equal distance from previous prime (18148536319) and next prime (18148536391).

It is not a de Polignac number, because 18148536355 - 213 = 18148528163 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18148536299 and 18148536308.

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, 253500 + ... + 317110.

It is an arithmetic number, because the mean of its divisors is an integer number (1393866144).

Almost surely, 218148536355 is an apocalyptic number.

18148536355 is a deficient number, since it is larger than the sum of its proper divisors (4153321949).

18148536355 is a wasteful number, since it uses less digits than its factorization.

18148536355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64986.

The product of its digits is 1728000, while the sum is 49.

The spelling of 18148536355 in words is "eighteen billion, one hundred forty-eight million, five hundred thirty-six thousand, three hundred fifty-five".

Divisors: 1 5 43 215 1327 6635 57061 63611 285305 318055 2735273 13676365 84411797 422058985 3629707271 18148536355