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8228115450645 = 3512734611247969
BaseRepresentation
bin111011110111100000111…
…1001100000101100010101
31002010121012111211222000120
41313233001321200230111
52034302140023410040
625255535525502153
71506314241233136
oct167570171405425
932117174758016
108228115450645
112692584735662
12b0a7b7271959
13478ba5a2435c
142063587a3c8d
15e40738587d0
hex77bc1e60b15

8228115450645 has 32 divisors (see below), whose sum is σ = 13272490414080. Its totient is φ = 4352513034240.

The previous prime is 8228115450617. The next prime is 8228115450661. The reversal of 8228115450645 is 5460545118228.

It is not a de Polignac number, because 8228115450645 - 28 = 8228115450389 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5969221 + ... + 7217189.

It is an arithmetic number, because the mean of its divisors is an integer number (414765325440).

Almost surely, 28228115450645 is an apocalyptic number.

It is an amenable number.

8228115450645 is a deficient number, since it is larger than the sum of its proper divisors (5044374963435).

8228115450645 is a wasteful number, since it uses less digits than its factorization.

8228115450645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1251565.

The product of its (nonzero) digits is 3072000, while the sum is 51.

The spelling of 8228115450645 in words is "eight trillion, two hundred twenty-eight billion, one hundred fifteen million, four hundred fifty thousand, six hundred forty-five".

Divisors: 1 3 5 15 127 381 635 1905 3461 10383 17305 51915 439547 1247969 1318641 2197735 3743907 6239845 6593205 18719535 158492063 475476189 792460315 2377380945 4319220709 12957662127 21596103545 64788310635 548541030043 1645623090129 2742705150215 8228115450645