Base | Representation |
---|---|
bin | 101110101010100001… |
… | …1001000011011011010 |
3 | 100120122212220222001221 |
4 | 1131111003020123122 |
5 | 3120213022211442 |
6 | 114011504202254 |
7 | 10145216366023 |
oct | 1352503103332 |
9 | 316585828057 |
10 | 100211132122 |
11 | 39554631862 |
12 | 1750860938a |
13 | 95b04939aa |
14 | 4bc90ddc4a |
15 | 2917a42467 |
hex | 17550c86da |
100211132122 has 4 divisors (see below), whose sum is σ = 150316698186. Its totient is φ = 50105566060.
The previous prime is 100211132107. The next prime is 100211132123. The reversal of 100211132122 is 221231112001.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 221231112001 = 61 ⋅3626739541.
It can be written as a sum of positive squares in only one way, i.e., 89150613561 + 11060518561 = 298581^2 + 105169^2 .
It is a junction number, because it is equal to n+sod(n) for n = 100211132096 and 100211132105.
It is not an unprimeable number, because it can be changed into a prime (100211132123) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25052783029 + ... + 25052783032.
Almost surely, 2100211132122 is an apocalyptic number.
100211132122 is a deficient number, since it is larger than the sum of its proper divisors (50105566064).
100211132122 is an equidigital number, since it uses as much as digits as its factorization.
100211132122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 50105566063.
The product of its (nonzero) digits is 48, while the sum is 16.
Adding to 100211132122 its reverse (221231112001), we get a palindrome (321442244123).
The spelling of 100211132122 in words is "one hundred billion, two hundred eleven million, one hundred thirty-two thousand, one hundred twenty-two".
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