Base | Representation |
---|---|
bin | 100010011101000100011101… |
… | …110011101010110010001111 |
3 | 201212112020121202001001221202 |
4 | 202131010131303222302033 |
5 | 124330141440230112111 |
6 | 1254140254034220115 |
7 | 43626525263516252 |
oct | 4235043563526217 |
9 | 655466552031852 |
10 | 151531241254031 |
11 | 44312047305161 |
12 | 14bb392a12463b |
13 | 6672447554342 |
14 | 295c218cbd099 |
15 | 127ba1e38bb3b |
hex | 89d11dceac8f |
151531241254031 has 4 divisors (see below), whose sum is σ = 152724400634112. Its totient is φ = 150338081873952.
The previous prime is 151531241253947. The next prime is 151531241254103. The reversal of 151531241254031 is 130452142135151.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 151531241254031 - 226 = 151531174145167 is a prime.
It is a super-2 number, since 2×1515312412540312 (a number of 29 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (151531241254531) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 596579689850 + ... + 596579690103.
It is an arithmetic number, because the mean of its divisors is an integer number (38181100158528).
Almost surely, 2151531241254031 is an apocalyptic number.
151531241254031 is a deficient number, since it is larger than the sum of its proper divisors (1193159380081).
151531241254031 is a wasteful number, since it uses less digits than its factorization.
151531241254031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1193159380080.
The product of its (nonzero) digits is 72000, while the sum is 38.
Adding to 151531241254031 its reverse (130452142135151), we get a palindrome (281983383389182).
The spelling of 151531241254031 in words is "one hundred fifty-one trillion, five hundred thirty-one billion, two hundred forty-one million, two hundred fifty-four thousand, thirty-one".
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