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214542545445 = 3254767612121
BaseRepresentation
bin1100011111001110111…
…0110111001000100101
3202111202211122112111200
43013303232313020211
512003340342423240
6242320503153113
721333364355454
oct3076356671045
9674684575450
10214542545445
1182a947458a8
12356b5a45799
131730115b457
14a553666b9b
1558aa026930
hex31f3bb7225

214542545445 has 12 divisors (see below), whose sum is σ = 371873745516. Its totient is φ = 114422690880.

The previous prime is 214542545419. The next prime is 214542545447. The reversal of 214542545445 is 544545245412.

214542545445 is a `hidden beast` number, since 2 + 1 + 4 + 54 + 2 + 54 + 544 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 50952227076 + 163590318369 = 225726^2 + 404463^2 .

It is not a de Polignac number, because 214542545445 - 29 = 214542544933 is a prime.

It is a super-3 number, since 3×2145425454453 (a number of 35 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 4767612121 = 214542545445 / (2 + 1 + 4 + 5 + 4 + 2 + 5 + 4 + 5 + 4 + 4 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 214542545445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214542545447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2383806016 + ... + 2383806105.

It is an arithmetic number, because the mean of its divisors is an integer number (30989478793).

Almost surely, 2214542545445 is an apocalyptic number.

It is an amenable number.

214542545445 is a deficient number, since it is larger than the sum of its proper divisors (157331200071).

214542545445 is a wasteful number, since it uses less digits than its factorization.

214542545445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4767612132 (or 4767612129 counting only the distinct ones).

The product of its digits is 2560000, while the sum is 45.

The spelling of 214542545445 in words is "two hundred fourteen billion, five hundred forty-two million, five hundred forty-five thousand, four hundred forty-five".

Divisors: 1 3 5 9 15 45 4767612121 14302836363 23838060605 42908509089 71514181815 214542545445