| Base | Representation |
|---|---|
| bin | 101001110000101… |
| … | …0111011010111100 |
| 3 | 10121122201011100000 |
| 4 | 1103201113122330 |
| 5 | 10332210134422 |
| 6 | 351013434300 |
| 7 | 46503322221 |
| oct | 12341273274 |
| 9 | 3548634300 |
| 10 | 1401255612 |
| 11 | 659a77099 |
| 12 | 33133b990 |
| 13 | 1943cb143 |
| 14 | d415b948 |
| 15 | 83041cac |
| hex | 538576bc |
1401255612 has 72 divisors (see below), whose sum is σ = 3679393536. Its totient is φ = 466304688.
The previous prime is 1401255607. The next prime is 1401255623. The reversal of 1401255612 is 2165521041.
1401255612 is a `hidden beast` number, since 1 + 40 + 1 + 2 + 5 + 5 + 612 = 666.
It is a super-2 number, since 2×14012556122 = 3927034580322989088, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1071463 + ... + 1072769.
It is an arithmetic number, because the mean of its divisors is an integer number (51102688).
Almost surely, 21401255612 is an apocalyptic number.
1401255612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1401255612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1839696768).
1401255612 is an abundant number, since it is smaller than the sum of its proper divisors (2278137924).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1401255612 is a wasteful number, since it uses less digits than its factorization.
1401255612 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2429 (or 2415 counting only the distinct ones).
The product of its (nonzero) digits is 2400, while the sum is 27.
The square root of 1401255612 is about 37433.3489284622. The cubic root of 1401255612 is about 1119.0232800683.
Adding to 1401255612 its reverse (2165521041), we get a palindrome (3566776653).
The spelling of 1401255612 in words is "one billion, four hundred one million, two hundred fifty-five thousand, six hundred twelve".
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