| Base | Representation |
|---|---|
| bin | 100110100110… |
| … | …111110001100 |
| 3 | 201001012112120 |
| 4 | 212212332030 |
| 5 | 10042333400 |
| 6 | 1000532540 |
| 7 | 152012403 |
| oct | 46467614 |
| 9 | 21035476 |
| 10 | 10121100 |
| 11 | 5793150 |
| 12 | 3481150 |
| 13 | 2134a22 |
| 14 | 14b663a |
| 15 | d4dca0 |
| hex | 9a6f8c |
10121100 has 72 divisors (see below), whose sum is σ = 31956288. Its totient is φ = 2452800.
The previous prime is 10121093. The next prime is 10121107. The reversal of 10121100 is 112101.
It is an interprime number because it is at equal distance from previous prime (10121093) and next prime (10121107).
It is a Harshad number since it is a multiple of its sum of digits (6).
It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.
It is not an unprimeable number, because it can be changed into a prime (10121107) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1767 + ... + 4833.
Almost surely, 210121100 is an apocalyptic number.
10121100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 10121100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15978144).
10121100 is an abundant number, since it is smaller than the sum of its proper divisors (21835188).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10121100 is a wasteful number, since it uses less digits than its factorization.
10121100 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3095 (or 3088 counting only the distinct ones).
The product of its (nonzero) digits is 2, while the sum is 6.
The square root of 10121100 is about 3181.3676304382. The cubic root of 10121100 is about 216.3096553206.
Adding to 10121100 its reverse (112101), we get a palindrome (10233201).
It can be divided in two parts, 1012 and 1100, that added together give a palindrome (2112).
The spelling of 10121100 in words is "ten million, one hundred twenty-one thousand, one hundred".
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