Base | Representation |
---|---|
bin | 10010110100110011… |
… | …001111110011010100 |
3 | 1221011200201001121000 |
4 | 102310303033303110 |
5 | 312344034432012 |
6 | 13141423023300 |
7 | 1313621245314 |
oct | 226463176324 |
9 | 57150631530 |
10 | 20213202132 |
11 | 8632909a32 |
12 | 3b0143ab30 |
13 | 1ba1905146 |
14 | d9a743444 |
15 | 7d4831ddc |
hex | 4b4ccfcd4 |
20213202132 has 48 divisors (see below), whose sum is σ = 52458840000. Its totient is φ = 6730760160.
The previous prime is 20213202091. The next prime is 20213202133. The reversal of 20213202132 is 23120231202.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20213202133) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8494 + ... + 201242.
It is an arithmetic number, because the mean of its divisors is an integer number (1092892500).
Almost surely, 220213202132 is an apocalyptic number.
It is an amenable number.
20213202132 is an abundant number, since it is smaller than the sum of its proper divisors (32245637868).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20213202132 is a wasteful number, since it uses less digits than its factorization.
20213202132 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 193733 (or 193725 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
Adding to 20213202132 its reverse (23120231202), we get a palindrome (43333433334).
The spelling of 20213202132 in words is "twenty billion, two hundred thirteen million, two hundred two thousand, one hundred thirty-two".
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