Base | Representation |
---|---|
bin | 110010011100111010… |
… | …111010010001100011 |
3 | 12011211100201210011010 |
4 | 302130322322101203 |
5 | 1341421101440131 |
6 | 40515244152003 |
7 | 3625303630611 |
oct | 623472722143 |
9 | 164740653133 |
10 | 54172296291 |
11 | 20a79938003 |
12 | a5ba238603 |
13 | 51542989b9 |
14 | 289c8d46b1 |
15 | 1620d00b46 |
hex | c9ceba463 |
54172296291 has 16 divisors (see below), whose sum is σ = 77277712640. Its totient is φ = 33653193120.
The previous prime is 54172296287. The next prime is 54172296317. The reversal of 54172296291 is 19269227145.
It is a happy number.
It is not a de Polignac number, because 54172296291 - 22 = 54172296287 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 54172296291.
It is not an unprimeable number, because it can be changed into a prime (54172296091) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7786615 + ... + 7793568.
It is an arithmetic number, because the mean of its divisors is an integer number (4829857040).
Almost surely, 254172296291 is an apocalyptic number.
54172296291 is a deficient number, since it is larger than the sum of its proper divisors (23105416349).
54172296291 is a wasteful number, since it uses less digits than its factorization.
54172296291 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15580266.
The product of its digits is 544320, while the sum is 48.
The spelling of 54172296291 in words is "fifty-four billion, one hundred seventy-two million, two hundred ninety-six thousand, two hundred ninety-one".
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