Base | Representation |
---|---|
bin | 11101101100010010100… |
… | …01000110100100100110 |
3 | 10121112100012111112011110 |
4 | 32312021101012210212 |
5 | 113203342303223420 |
6 | 2100402245245450 |
7 | 133464521466216 |
oct | 16661121064446 |
9 | 3545305445143 |
10 | 1020210211110 |
11 | 36373a081702 |
12 | 145882403886 |
13 | 7528939443c |
14 | 3754260c246 |
15 | 1b810ba6ee0 |
hex | ed89446926 |
1020210211110 has 128 divisors (see below), whose sum is σ = 2544723763200. Its totient is φ = 261489254400.
The previous prime is 1020210211067. The next prime is 1020210211129. The reversal of 1020210211110 is 111120120201.
It is a super-2 number, since 2×10202102111102 (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 63 ways as a sum of consecutive naturals, for example, 118638591 + ... + 118647189.
It is an arithmetic number, because the mean of its divisors is an integer number (19880654400).
Almost surely, 21020210211110 is an apocalyptic number.
1020210211110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 1020210211110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1272361881600).
1020210211110 is an abundant number, since it is smaller than the sum of its proper divisors (1524513552090).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1020210211110 is a wasteful number, since it uses less digits than its factorization.
1020210211110 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9494.
The product of its (nonzero) digits is 8, while the sum is 12.
Adding to 1020210211110 its reverse (111120120201), we get a palindrome (1131330331311).
Subtracting from 1020210211110 its reverse (111120120201), we obtain a palindrome (909090090909).
The spelling of 1020210211110 in words is "one trillion, twenty billion, two hundred ten million, two hundred eleven thousand, one hundred ten".
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