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8013654945 = 335281211247
BaseRepresentation
bin1110111011010011…
…01010101110100001
3202200111002211222000
413131221222232201
5112402443424240
63403104234213
7402404641332
oct73551525641
922614084860
108013654945
11344255462a
12167790b969
139a931447a
14560420289
1531d7e6430
hex1dda6aba1

8013654945 has 32 divisors (see below), whose sum is σ = 14297264640. Its totient is φ = 4258719360.

The previous prime is 8013654889. The next prime is 8013654949. The reversal of 8013654945 is 5494563108.

It is not a de Polignac number, because 8013654945 - 217 = 8013523873 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 8013654945.

It is not an unprimeable number, because it can be changed into a prime (8013654949) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 67689 + ... + 143558.

It is an arithmetic number, because the mean of its divisors is an integer number (446789520).

Almost surely, 28013654945 is an apocalyptic number.

It is an amenable number.

8013654945 is a deficient number, since it is larger than the sum of its proper divisors (6283609695).

8013654945 is a wasteful number, since it uses less digits than its factorization.

8013654945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211542 (or 211536 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The square root of 8013654945 is about 89519.0200180945. The cubic root of 8013654945 is about 2001.1372652746.

The spelling of 8013654945 in words is "eight billion, thirteen million, six hundred fifty-four thousand, nine hundred forty-five".

Divisors: 1 3 5 9 15 27 45 135 281 843 1405 2529 4215 7587 12645 37935 211247 633741 1056235 1901223 3168705 5703669 9506115 28518345 59360407 178081221 296802035 534243663 890406105 1602730989 2671218315 8013654945