Base | Representation |
---|---|
bin | 101101011100101101110… |
… | …101000010001010101100 |
3 | 102001120112212210221020202 |
4 | 231130231311002022230 |
5 | 402132313241221140 |
6 | 10350441035333032 |
7 | 441434025560543 |
oct | 55345565021254 |
9 | 12046485727222 |
10 | 3123210101420 |
11 | aa4600753582 |
12 | 4253708b1178 |
13 | 198695ab1866 |
14 | ab2426d715a |
15 | 56396440915 |
hex | 2d72dd422ac |
3123210101420 has 48 divisors (see below), whose sum is σ = 7246486473408. Its totient is φ = 1124675143680.
The previous prime is 3123210101381. The next prime is 3123210101423. The reversal of 3123210101420 is 241010123213.
3123210101420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×31232101014202 (a number of 26 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 3123210101392 and 3123210101401.
It is not an unprimeable number, because it can be changed into a prime (3123210101423) 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, 199685921 + ... + 199701560.
It is an arithmetic number, because the mean of its divisors is an integer number (150968468196).
Almost surely, 23123210101420 is an apocalyptic number.
It is an amenable number.
3123210101420 is an abundant number, since it is smaller than the sum of its proper divisors (4123276371988).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3123210101420 is a wasteful number, since it uses less digits than its factorization.
3123210101420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 399387530 (or 399387528 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 20.
Adding to 3123210101420 its reverse (241010123213), we get a palindrome (3364220224633).
The spelling of 3123210101420 in words is "three trillion, one hundred twenty-three billion, two hundred ten million, one hundred one thousand, four hundred twenty".
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