Base | Representation |
---|---|
bin | 10111110000011101… |
… | …10011010100100110 |
3 | 1012220212222000002201 |
4 | 23320032303110212 |
5 | 202110132030030 |
6 | 5505342325114 |
7 | 631033002631 |
oct | 137016632446 |
9 | 35825860081 |
10 | 12754564390 |
11 | 545568a007 |
12 | 257b58979a |
13 | 1283599a29 |
14 | 88dd1ac18 |
15 | 4e9b202ca |
hex | 2f83b3526 |
12754564390 has 8 divisors (see below), whose sum is σ = 22958215920. Its totient is φ = 5101825752.
The previous prime is 12754564373. The next prime is 12754564393. The reversal of 12754564390 is 9346545721.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a self number, because there is not a number n which added to its sum of digits gives 12754564390.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12754564393) 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, 637728210 + ... + 637728229.
It is an arithmetic number, because the mean of its divisors is an integer number (2869776990).
Almost surely, 212754564390 is an apocalyptic number.
12754564390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12754564390 is a deficient number, since it is larger than the sum of its proper divisors (10203651530).
12754564390 is a wasteful number, since it uses less digits than its factorization.
12754564390 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1275456446.
The product of its (nonzero) digits is 907200, while the sum is 46.
The spelling of 12754564390 in words is "twelve billion, seven hundred fifty-four million, five hundred sixty-four thousand, three hundred ninety".
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