Base | Representation |
---|---|
bin | 1011110100110011011… |
… | …1100101011001011111 |
3 | 201102101002101212212221 |
4 | 2331030313211121133 |
5 | 11312024143234211 |
6 | 233154404010211 |
7 | 20451215610316 |
oct | 2751467453137 |
9 | 642332355787 |
10 | 203153102431 |
11 | 7917a6a2784 |
12 | 33457690967 |
13 | 1620764a766 |
14 | 9b92b7d27d |
15 | 54401abc71 |
hex | 2f4cde565f |
203153102431 has 8 divisors (see below), whose sum is σ = 213852150000. Its totient is φ = 192454732800.
The previous prime is 203153102423. The next prime is 203153102437. The reversal of 203153102431 is 134201351302.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 203153102431 - 23 = 203153102423 is a prime.
It is a super-2 number, since 2×2031531024312 (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 = 203153102396 and 203153102405.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (203153102437) 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, 516945 + ... + 820693.
It is an arithmetic number, because the mean of its divisors is an integer number (26731518750).
Almost surely, 2203153102431 is an apocalyptic number.
203153102431 is a deficient number, since it is larger than the sum of its proper divisors (10699047569).
203153102431 is a wasteful number, since it uses less digits than its factorization.
203153102431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 338969.
The product of its (nonzero) digits is 2160, while the sum is 25.
Adding to 203153102431 its reverse (134201351302), we get a palindrome (337354453733).
The spelling of 203153102431 in words is "two hundred three billion, one hundred fifty-three million, one hundred two thousand, four hundred thirty-one".
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