Base | Representation |
---|---|
bin | 11110100100110011010… |
… | …100111011001110011110 |
3 | 21102212022021120122112220 |
4 | 132210303110323032132 |
5 | 233411023113144410 |
6 | 4245122043410210 |
7 | 304541135304162 |
oct | 36446324731636 |
9 | 7385267518486 |
10 | 2101100131230 |
11 | 740087280851 |
12 | 29b25a223966 |
13 | 123195c6c429 |
14 | 7399da84ca2 |
15 | 399c3ac7070 |
hex | 1e93353b39e |
2101100131230 has 16 divisors (see below), whose sum is σ = 5042640315024. Its totient is φ = 560293368320.
The previous prime is 2101100131213. The next prime is 2101100131261. The reversal of 2101100131230 is 321310011012.
It is a happy number.
It is a super-2 number, since 2×21011001312302 (a number of 25 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35018335491 + ... + 35018335550.
It is an arithmetic number, because the mean of its divisors is an integer number (315165019689).
Almost surely, 22101100131230 is an apocalyptic number.
2101100131230 is an abundant number, since it is smaller than the sum of its proper divisors (2941540183794).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2101100131230 is a wasteful number, since it uses less digits than its factorization.
2101100131230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 70036671051.
The product of its (nonzero) digits is 36, while the sum is 15.
Adding to 2101100131230 its reverse (321310011012), we get a palindrome (2422410142242).
The spelling of 2101100131230 in words is "two trillion, one hundred one billion, one hundred million, one hundred thirty-one thousand, two hundred thirty".
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