Base | Representation |
---|---|
bin | 1100111000000… |
… | …10001001100100 |
3 | 21112020120210100 |
4 | 12130002021210 |
5 | 210122342012 |
6 | 14415024100 |
7 | 2451042114 |
oct | 634021144 |
9 | 245216710 |
10 | 108012132 |
11 | 55a74128 |
12 | 3020b030 |
13 | 194ba607 |
14 | 104b9044 |
15 | 97388dc |
hex | 6702264 |
108012132 has 36 divisors (see below), whose sum is σ = 273562380. Its totient is φ = 35933952.
The previous prime is 108012097. The next prime is 108012167. The reversal of 108012132 is 231210801.
It is an interprime number because it is at equal distance from previous prime (108012097) and next prime (108012167).
It can be written as a sum of positive squares in 2 ways, for example, as 34292736 + 73719396 = 5856^2 + 8586^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is a super-4 number, since 4×1080121324 (a number of 33 digits) contains 4444 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17848 + ... + 23120.
It is an arithmetic number, because the mean of its divisors is an integer number (7598955).
Almost surely, 2108012132 is an apocalyptic number.
108012132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
108012132 is an abundant number, since it is smaller than the sum of its proper divisors (165550248).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
108012132 is a wasteful number, since it uses less digits than its factorization.
108012132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5852 (or 5847 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 18.
The square root of 108012132 is about 10392.8885301441. Note that the first 3 decimals coincide. The cubic root of 108012132 is about 476.2381467279.
Adding to 108012132 its reverse (231210801), we get a palindrome (339222933).
The spelling of 108012132 in words is "one hundred eight million, twelve thousand, one hundred thirty-two".
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