Base | Representation |
---|---|
bin | 11110110001110000100… |
… | …111000111000110100011 |
3 | 21111012012220111022100021 |
4 | 132301300213013012203 |
5 | 234123021340214111 |
6 | 4255342413134311 |
7 | 305542666443454 |
oct | 36616047070643 |
9 | 7435186438307 |
10 | 2115013210531 |
11 | 745a769011a1 |
12 | 2a1aa178a397 |
13 | 1245a2566b30 |
14 | 7451d7b312b |
15 | 3a03a28ad71 |
hex | 1ec709c71a3 |
2115013210531 has 8 divisors (see below), whose sum is σ = 2279071271120. Its totient is φ = 1951150112352.
The previous prime is 2115013210523. The next prime is 2115013210601. The reversal of 2115013210531 is 1350123105112.
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 2115013210531 - 23 = 2115013210523 is a prime.
It is a super-2 number, since 2×21150132105312 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2115013210496 and 2115013210505.
It is not an unprimeable number, because it can be changed into a prime (2115013210931) 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, 48718065 + ... + 48761458.
It is an arithmetic number, because the mean of its divisors is an integer number (284883908890).
Almost surely, 22115013210531 is an apocalyptic number.
2115013210531 is a deficient number, since it is larger than the sum of its proper divisors (164058060589).
2115013210531 is a wasteful number, since it uses less digits than its factorization.
2115013210531 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 97481205.
The product of its (nonzero) digits is 900, while the sum is 25.
Adding to 2115013210531 its reverse (1350123105112), we get a palindrome (3465136315643).
The spelling of 2115013210531 in words is "two trillion, one hundred fifteen billion, thirteen million, two hundred ten thousand, five hundred thirty-one".
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