Base | Representation |
---|---|
bin | 1000011100111101110… |
… | …0010000110000101110 |
3 | 111212211020011100112100 |
4 | 2013033130100300232 |
5 | 4334344314310131 |
6 | 150413244315530 |
7 | 13330354305651 |
oct | 2071734206056 |
9 | 455736140470 |
10 | 145214213166 |
11 | 56648701720 |
12 | 24187b42ba6 |
13 | 10902c13329 |
14 | 7057d31898 |
15 | 3b9d88d7e6 |
hex | 21cf710c2e |
145214213166 has 96 divisors (see below), whose sum is σ = 358296037632. Its totient is φ = 42074714880.
The previous prime is 145214213161. The next prime is 145214213171. The reversal of 145214213166 is 661312412541.
145214213166 is a `hidden beast` number, since 1 + 4 + 521 + 42 + 1 + 31 + 66 = 666.
It is an interprime number because it is at equal distance from previous prime (145214213161) and next prime (145214213171).
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 145214213166.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145214213161) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16585846 + ... + 16594598.
It is an arithmetic number, because the mean of its divisors is an integer number (3732250392).
Almost surely, 2145214213166 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 145214213166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179148018816).
145214213166 is an abundant number, since it is smaller than the sum of its proper divisors (213081824466).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145214213166 is a wasteful number, since it uses less digits than its factorization.
145214213166 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12438 (or 12435 counting only the distinct ones).
The product of its digits is 34560, while the sum is 36.
The spelling of 145214213166 in words is "one hundred forty-five billion, two hundred fourteen million, two hundred thirteen thousand, one hundred sixty-six".
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