Base | Representation |
---|---|
bin | 1101101010010001111110… |
… | …0101011111000001110111 |
3 | 1222011220022202100222000111 |
4 | 3122210133211133001313 |
5 | 3432042010310213411 |
6 | 51540035021523451 |
7 | 3110106234120643 |
oct | 332443745370167 |
9 | 58156282328014 |
10 | 15020030554231 |
11 | 4870a6074942a |
12 | 1826b95a13587 |
13 | 84c4c9034731 |
14 | 39cd8ac71c23 |
15 | 1b0a8ae18721 |
hex | da91f95f077 |
15020030554231 has 8 divisors (see below), whose sum is σ = 15035990634864. Its totient is φ = 15004073872320.
The previous prime is 15020030554229. The next prime is 15020030554253. The reversal of 15020030554231 is 13245503002051.
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 15020030554231 - 21 = 15020030554229 is a prime.
It is a super-2 number, since 2×150200305542312 (a number of 27 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 = 15020030554193 and 15020030554202.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (15020030554931) 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, 8043036 + ... + 9732958.
It is an arithmetic number, because the mean of its divisors is an integer number (1879498829358).
Almost surely, 215020030554231 is an apocalyptic number.
15020030554231 is a deficient number, since it is larger than the sum of its proper divisors (15960080633).
15020030554231 is a wasteful number, since it uses less digits than its factorization.
15020030554231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1699361.
The product of its (nonzero) digits is 18000, while the sum is 31.
Adding to 15020030554231 its reverse (13245503002051), we get a palindrome (28265533556282).
The spelling of 15020030554231 in words is "fifteen trillion, twenty billion, thirty million, five hundred fifty-four thousand, two hundred thirty-one".
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