Base | Representation |
---|---|
bin | 1001001011111101001111… |
… | …0001111111011001100010 |
3 | 1022202122111112110110010110 |
4 | 2102333103301333121202 |
5 | 2310443342412211320 |
6 | 33252202312112150 |
7 | 2061526502433120 |
oct | 222772361773142 |
9 | 38678445413113 |
10 | 10101021210210 |
11 | 324490115a4a7 |
12 | 117178b695656 |
13 | 5836a33c0358 |
14 | 26cc6ba5c910 |
15 | 127b3db4d5e0 |
hex | 92fd3c7f662 |
10101021210210 has 64 divisors (see below), whose sum is σ = 27706038988032. Its totient is φ = 2308773113856.
The previous prime is 10101021210193. The next prime is 10101021210211. The reversal of 10101021210210 is 1201212010101.
It is a super-2 number, since 2×101010212102102 (a number of 27 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (10101021210211) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17189982 + ... + 17767878.
It is an arithmetic number, because the mean of its divisors is an integer number (432906859188).
Almost surely, 210101021210210 is an apocalyptic number.
10101021210210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
10101021210210 is an abundant number, since it is smaller than the sum of its proper divisors (17605017777822).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10101021210210 is a wasteful number, since it uses less digits than its factorization.
10101021210210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 661147.
The product of its (nonzero) digits is 8, while the sum is 12.
Adding to 10101021210210 its reverse (1201212010101), we get a palindrome (11302233220311).
The spelling of 10101021210210 in words is "ten trillion, one hundred one billion, twenty-one million, two hundred ten thousand, two hundred ten".
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