Base | Representation |
---|---|
bin | 11111000000110110100… |
… | …111001110111100011110 |
3 | 21112202001101111012122210 |
4 | 133000312213032330132 |
5 | 234404214312031220 |
6 | 4311022521421250 |
7 | 306655422245604 |
oct | 37006647167436 |
9 | 7482041435583 |
10 | 2131220033310 |
11 | 75193316a005 |
12 | 2a506533a826 |
13 | 125c861259b4 |
14 | 75219dc1874 |
15 | 3a687ed76e0 |
hex | 1f0369cef1e |
2131220033310 has 64 divisors (see below), whose sum is σ = 5122480310784. Its totient is φ = 567486576000.
The previous prime is 2131220033309. The next prime is 2131220033339. The reversal of 2131220033310 is 133300221312.
It is a super-2 number, since 2×21312200333102 (a number of 25 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 122821135 + ... + 122838485.
It is an arithmetic number, because the mean of its divisors is an integer number (80038754856).
Almost surely, 22131220033310 is an apocalyptic number.
2131220033310 is an abundant number, since it is smaller than the sum of its proper divisors (2991260277474).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2131220033310 is a wasteful number, since it uses less digits than its factorization.
2131220033310 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23169.
The product of its (nonzero) digits is 648, while the sum is 21.
Adding to 2131220033310 its reverse (133300221312), we get a palindrome (2264520254622).
The spelling of 2131220033310 in words is "two trillion, one hundred thirty-one billion, two hundred twenty million, thirty-three thousand, three hundred ten".
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