Base | Representation |
---|---|
bin | 1001000111010011111011… |
… | …0010000001001110111100 |
3 | 1022111000111111100120011220 |
4 | 2101310332302001032330 |
5 | 2303141420233014322 |
6 | 33151403051513340 |
7 | 2053002655362366 |
oct | 221647662011674 |
9 | 38430444316156 |
10 | 10021212001212 |
11 | 3213a76a16535 |
12 | 115a217758850 |
13 | 578cc496a029 |
14 | 26905a389d36 |
15 | 125a1c2ba55c |
hex | 91d3ec813bc |
10021212001212 has 48 divisors (see below), whose sum is σ = 23806078558080. Its totient is φ = 3280067880768.
The previous prime is 10021212001211. The next prime is 10021212001279. The reversal of 10021212001212 is 21210021212001.
10021212001212 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-3 number, since 3×100212120012123 (a number of 40 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 10021212001191 and 10021212001200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10021212001211) 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, 7389703 + ... + 8640030.
It is an arithmetic number, because the mean of its divisors is an integer number (495959969960).
Almost surely, 210021212001212 is an apocalyptic number.
10021212001212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
10021212001212 is an abundant number, since it is smaller than the sum of its proper divisors (13784866556868).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10021212001212 is a wasteful number, since it uses less digits than its factorization.
10021212001212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16030682 (or 16030680 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 10021212001212 its reverse (21210021212001), we get a palindrome (31231233213213).
It can be divided in two parts, 10021212001 and 212, that multiplied together give a palindrome (2124496944212).
The spelling of 10021212001212 in words is "ten trillion, twenty-one billion, two hundred twelve million, one thousand, two hundred twelve".
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