Base | Representation |
---|---|
bin | 11111010110001100011… |
… | …001111101010000001111 |
3 | 21121221012022121000021102 |
4 | 133112030121331100033 |
5 | 240243131330330111 |
6 | 4325332352253315 |
7 | 311426311562060 |
oct | 37261431752017 |
9 | 7557168530242 |
10 | 2154134230031 |
11 | 760621684173 |
12 | 2a959b24123b |
13 | 1281984a2194 |
14 | 76391336567 |
15 | 3b0799e913b |
hex | 1f58c67d40f |
2154134230031 has 8 divisors (see below), whose sum is σ = 2474364483360. Its totient is φ = 1837028174688.
The previous prime is 2154134229997. The next prime is 2154134230033. The reversal of 2154134230031 is 1300324314512.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-2154134230031 is a prime.
It is a super-2 number, since 2×21541342300312 (a number of 25 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2154134229976 and 2154134230003.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2154134230033) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 781048016 + ... + 781050773.
It is an arithmetic number, because the mean of its divisors is an integer number (309295560420).
Almost surely, 22154134230031 is an apocalyptic number.
2154134230031 is a deficient number, since it is larger than the sum of its proper divisors (320230253329).
2154134230031 is a wasteful number, since it uses less digits than its factorization.
2154134230031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1562098993.
The product of its (nonzero) digits is 8640, while the sum is 29.
Adding to 2154134230031 its reverse (1300324314512), we get a palindrome (3454458544543).
It can be divided in two parts, 215413 and 4230031, that added together give a palindrome (4445444).
The spelling of 2154134230031 in words is "two trillion, one hundred fifty-four billion, one hundred thirty-four million, two hundred thirty thousand, thirty-one".
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