Base | Representation |
---|---|
bin | 10010010001010010010… |
… | …011111101011010011111 |
3 | 11110000200202020010212201 |
4 | 102101102103331122133 |
5 | 131032241410230211 |
6 | 2400435102512331 |
7 | 156464512640311 |
oct | 22212223753237 |
9 | 4400622203781 |
10 | 1255511414431 |
11 | 44450650a3aa |
12 | 1833b02956a7 |
13 | 915181369b1 |
14 | 44aa4c037b1 |
15 | 229d33570c1 |
hex | 124524fd69f |
1255511414431 has 8 divisors (see below), whose sum is σ = 1260539803728. Its totient is φ = 1250487000000.
The previous prime is 1255511414429. The next prime is 1255511414473. The reversal of 1255511414431 is 1344141155521.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1255511414431 - 21 = 1255511414429 is a prime.
It is a super-2 number, since 2×12555114144312 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1255511444431) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 359920 + ... + 1624981.
It is an arithmetic number, because the mean of its divisors is an integer number (157567475466).
Almost surely, 21255511414431 is an apocalyptic number.
1255511414431 is a deficient number, since it is larger than the sum of its proper divisors (5028389297).
1255511414431 is a wasteful number, since it uses less digits than its factorization.
1255511414431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1987433.
The product of its digits is 48000, while the sum is 37.
Adding to 1255511414431 its reverse (1344141155521), we get a palindrome (2599652569952).
The spelling of 1255511414431 in words is "one trillion, two hundred fifty-five billion, five hundred eleven million, four hundred fourteen thousand, four hundred thirty-one".
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