Base | Representation |
---|---|
bin | 1011110100111111001… |
… | …0101001111110110011 |
3 | 201102111111200100201010 |
4 | 2331033302221332303 |
5 | 11312124222022011 |
6 | 233203315042003 |
7 | 20452352465232 |
oct | 2751762517663 |
9 | 642444610633 |
10 | 203202142131 |
11 | 791a5347a5a |
12 | 3346bba0303 |
13 | 1621485aa31 |
14 | 9b994a6b19 |
15 | 54446471a6 |
hex | 2f4fca9fb3 |
203202142131 has 8 divisors (see below), whose sum is σ = 274980013504. Its totient is φ = 133446182760.
The previous prime is 203202142049. The next prime is 203202142177. The reversal of 203202142131 is 131241202302.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 203202142131 - 29 = 203202141619 is a prime.
It is a super-2 number, since 2×2032021421312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 203202142098 and 203202142107.
It is not an unprimeable number, because it can be changed into a prime (203202142631) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 505477765 + ... + 505478166.
It is an arithmetic number, because the mean of its divisors is an integer number (34372501688).
Almost surely, 2203202142131 is an apocalyptic number.
203202142131 is a deficient number, since it is larger than the sum of its proper divisors (71777871373).
203202142131 is a wasteful number, since it uses less digits than its factorization.
203202142131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1010956001.
The product of its (nonzero) digits is 576, while the sum is 21.
Adding to 203202142131 its reverse (131241202302), we get a palindrome (334443344433).
The spelling of 203202142131 in words is "two hundred three billion, two hundred two million, one hundred forty-two thousand, one hundred thirty-one".
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