Base | Representation |
---|---|
bin | 10100110010001000111… |
… | …111110000110000001111 |
3 | 12001112111122010100002100 |
4 | 110302020333300300033 |
5 | 141400002223332130 |
6 | 3012041345130143 |
7 | 205120544640510 |
oct | 24621077606017 |
9 | 5045448110070 |
10 | 1428227558415 |
11 | 50078724a769 |
12 | 1b0972629953 |
13 | a48b1a0a768 |
14 | 4d1ab4b2a07 |
15 | 27241375c60 |
hex | 14c88ff0c0f |
1428227558415 has 48 divisors (see below), whose sum is σ = 2857263230016. Its totient is φ = 646439616000.
The previous prime is 1428227558411. The next prime is 1428227558419. The reversal of 1428227558415 is 5148557228241.
1428227558415 is a `hidden beast` number, since 1 + 4 + 2 + 82 + 2 + 7 + 558 + 4 + 1 + 5 = 666.
It is an interprime number because it is at equal distance from previous prime (1428227558411) and next prime (1428227558419).
It is not a de Polignac number, because 1428227558415 - 22 = 1428227558411 is a prime.
It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1428227558411) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22414006 + ... + 22477635.
It is an arithmetic number, because the mean of its divisors is an integer number (59526317292).
Almost surely, 21428227558415 is an apocalyptic number.
1428227558415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
1428227558415 is an abundant number, since it is smaller than the sum of its proper divisors (1429035671601).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1428227558415 is a wasteful number, since it uses less digits than its factorization.
1428227558415 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 44891760 (or 44891757 counting only the distinct ones).
The product of its digits is 7168000, while the sum is 54.
It can be divided in two parts, 14282275 and 58415, that added together give a triangular number (14340690 = T5355).
The spelling of 1428227558415 in words is "one trillion, four hundred twenty-eight billion, two hundred twenty-seven million, five hundred fifty-eight thousand, four hundred fifteen".
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