Base | Representation |
---|---|
bin | 10010110100110010… |
… | …100110000100100010 |
3 | 1221011200101101010021 |
4 | 102310302212010202 |
5 | 312344013444302 |
6 | 13141415224054 |
7 | 1313616634060 |
oct | 226462460442 |
9 | 57150341107 |
10 | 20213031202 |
11 | 8632802571 |
12 | 3b0137802a |
13 | 1ba18753c0 |
14 | d9a6db030 |
15 | 7d47eb437 |
hex | 4b4ca6122 |
20213031202 has 64 divisors (see below), whose sum is σ = 37695651840. Its totient is φ = 7915392576.
The previous prime is 20213031197. The next prime is 20213031203.
20213031202 is nontrivially palindromic in base 10.
It is not an unprimeable number, because it can be changed into a prime (20213031203) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15231463 + ... + 15232789.
It is an arithmetic number, because the mean of its divisors is an integer number (588994560).
Almost surely, 220213031202 is an apocalyptic number.
20213031202 is a deficient number, since it is larger than the sum of its proper divisors (17482620638).
20213031202 is a wasteful number, since it uses less digits than its factorization.
20213031202 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2135.
The product of its (nonzero) digits is 144, while the sum is 16.
It can be divided in two parts, 202130 and 31202, that added together give a palindrome (233332).
The spelling of 20213031202 in words is "twenty billion, two hundred thirteen million, thirty-one thousand, two hundred two".
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