Base | Representation |
---|---|
bin | 101010001010101011110… |
… | …110011100110111111000 |
3 | 101021000110002002110111200 |
4 | 222022223312130313320 |
5 | 334433432412313410 |
6 | 10055103025254200 |
7 | 416231326154121 |
oct | 52125366346770 |
9 | 11230402073450 |
10 | 2897691135480 |
11 | a179a4115589 |
12 | 3a9712a94360 |
13 | 18033589354b |
14 | a036b37b048 |
15 | 505979863c0 |
hex | 2a2abd9cdf8 |
2897691135480 has 96 divisors (see below), whose sum is σ = 9418058114400. Its totient is φ = 772671529728.
The previous prime is 2897691135439. The next prime is 2897691135481. The reversal of 2897691135480 is 845311967982.
2897691135480 is a `hidden beast` number, since 2 + 8 + 9 + 76 + 9 + 1 + 13 + 548 + 0 = 666.
It is a super-2 number, since 2×28976911354802 (a number of 26 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2897691135481) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6028597 + ... + 6491483.
It is an arithmetic number, because the mean of its divisors is an integer number (98104772025).
It is a 1-persistent number, because it is pandigital, but 2⋅2897691135480 = 5795382270960 is not.
Almost surely, 22897691135480 is an apocalyptic number.
2897691135480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2897691135480 is an abundant number, since it is smaller than the sum of its proper divisors (6520366978920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2897691135480 is a wasteful number, since it uses less digits than its factorization.
2897691135480 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 480293 (or 480286 counting only the distinct ones).
The product of its (nonzero) digits is 26127360, while the sum is 63.
The spelling of 2897691135480 in words is "two trillion, eight hundred ninety-seven billion, six hundred ninety-one million, one hundred thirty-five thousand, four hundred eighty".
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