Base | Representation |
---|---|
bin | 11101110110010110100… |
… | …011100011001000001011 |
3 | 21021002120102021210021112 |
4 | 131312112203203020023 |
5 | 232101402134122030 |
6 | 4210153033000535 |
7 | 301124163245315 |
oct | 35662643431013 |
9 | 7232512253245 |
10 | 2051225301515 |
11 | 720a13231015 |
12 | 29165b25314b |
13 | 11b578116a80 |
14 | 713cbc187b5 |
15 | 38555209a95 |
hex | 1dd968e320b |
2051225301515 has 16 divisors (see below), whose sum is σ = 2651032063008. Its totient is φ = 1514626519296.
The previous prime is 2051225301511. The next prime is 2051225301533. The reversal of 2051225301515 is 5151035221502.
It is a cyclic number.
It is not a de Polignac number, because 2051225301515 - 22 = 2051225301511 is a prime.
It is a super-2 number, since 2×20512253015152 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2051225301511) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 495722 + ... + 2085231.
It is an arithmetic number, because the mean of its divisors is an integer number (165689503938).
Almost surely, 22051225301515 is an apocalyptic number.
2051225301515 is a deficient number, since it is larger than the sum of its proper divisors (599806761493).
2051225301515 is a wasteful number, since it uses less digits than its factorization.
2051225301515 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2593198.
The product of its (nonzero) digits is 15000, while the sum is 32.
The spelling of 2051225301515 in words is "two trillion, fifty-one billion, two hundred twenty-five million, three hundred one thousand, five hundred fifteen".
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