Base | Representation |
---|---|
bin | 111111001111101… |
… | …0000001100010010 |
3 | 12110220010222010012 |
4 | 1332133100030102 |
5 | 13321230401002 |
6 | 550324234522 |
7 | 103405511420 |
oct | 17637201422 |
9 | 5426128105 |
10 | 2122122002 |
11 | 999978740 |
12 | 4b283ba42 |
13 | 27a8650c0 |
14 | 161ba8110 |
15 | c6486d52 |
hex | 7e7d0312 |
2122122002 has 128 divisors (see below), whose sum is σ = 4723826688. Its totient is φ = 686822400.
The previous prime is 2122121977. The next prime is 2122122017. The reversal of 2122122002 is 2002212212.
It is a Harshad number since it is a multiple of its sum of digits (14).
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, 781427 + ... + 784137.
It is an arithmetic number, because the mean of its divisors is an integer number (36904896).
Almost surely, 22122122002 is an apocalyptic number.
2122122002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
2122122002 is an abundant number, since it is smaller than the sum of its proper divisors (2601704686).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2122122002 is a wasteful number, since it uses less digits than its factorization.
2122122002 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2784.
The product of its (nonzero) digits is 64, while the sum is 14.
The square root of 2122122002 is about 46066.4954386591. The cubic root of 2122122002 is about 1285.0601297141.
Adding to 2122122002 its reverse (2002212212), we get a palindrome (4124334214).
It can be divided in two parts, 212212 and 2002, that multiplied together give a palindrome (424848424).
The spelling of 2122122002 in words is "two billion, one hundred twenty-two million, one hundred twenty-two thousand, two".
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