Base | Representation |
---|---|
bin | 101000111110111… |
… | …1110100010101100 |
3 | 10112211200110202010 |
4 | 1101331332202230 |
5 | 10304022421302 |
6 | 344243201220 |
7 | 46036006452 |
oct | 12175764254 |
9 | 3484613663 |
10 | 1375201452 |
11 | 6462a1229 |
12 | 324676210 |
13 | 18bba8191 |
14 | d08d89d2 |
15 | 80ae716c |
hex | 51f7e8ac |
1375201452 has 12 divisors (see below), whose sum is σ = 3208803416. Its totient is φ = 458400480.
The previous prime is 1375201433. The next prime is 1375201453. The reversal of 1375201452 is 2541025731.
It is a tau number, because it is divible by the number of its divisors (12).
It is not an unprimeable number, because it can be changed into a prime (1375201453) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57300049 + ... + 57300072.
Almost surely, 21375201452 is an apocalyptic number.
1375201452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1375201452 is an abundant number, since it is smaller than the sum of its proper divisors (1833601964).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1375201452 is a wasteful number, since it uses less digits than its factorization.
1375201452 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 114600128 (or 114600126 counting only the distinct ones).
The product of its (nonzero) digits is 8400, while the sum is 30.
The square root of 1375201452 is about 37083.7087142049. The cubic root of 1375201452 is about 1112.0443487221.
The spelling of 1375201452 in words is "one billion, three hundred seventy-five million, two hundred one thousand, four hundred fifty-two".
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