Base | Representation |
---|---|
bin | 11111000000101010111… |
… | …000000100111001101110 |
3 | 21112201112122222002011102 |
4 | 133000222320010321232 |
5 | 234403313404401110 |
6 | 4310551205123102 |
7 | 306650511444335 |
oct | 37005270047156 |
9 | 7481478862142 |
10 | 2131023122030 |
11 | 751841aa6710 |
12 | 2a500b3b9492 |
13 | 125c543b054a |
14 | 751dbba4d1c |
15 | 3a675a8d5a5 |
hex | 1f02ae04e6e |
2131023122030 has 32 divisors (see below), whose sum is σ = 4273587578880. Its totient is φ = 758429890720.
The previous prime is 2131023122009. The next prime is 2131023122093. The reversal of 2131023122030 is 302213201312.
It is a junction number, because it is equal to n+sod(n) for n = 2131023121993 and 2131023122011.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206089910 + ... + 206100249.
It is an arithmetic number, because the mean of its divisors is an integer number (133549611840).
Almost surely, 22131023122030 is an apocalyptic number.
2131023122030 is an abundant number, since it is smaller than the sum of its proper divisors (2142564456850).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2131023122030 is a wasteful number, since it uses less digits than its factorization.
2131023122030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 412190224.
The product of its (nonzero) digits is 432, while the sum is 20.
Adding to 2131023122030 its reverse (302213201312), we get a palindrome (2433236323342).
The spelling of 2131023122030 in words is "two trillion, one hundred thirty-one billion, twenty-three million, one hundred twenty-two thousand, thirty".
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