Base | Representation |
---|---|
bin | 1101101011110000111… |
… | …00011001111100011001 |
3 | 1122221121002211210211001 |
4 | 12311320130121330121 |
5 | 30200403032204411 |
6 | 555554420505001 |
7 | 45653206212241 |
oct | 6657034317431 |
9 | 1587532753731 |
10 | 470172147481 |
11 | 171442a13413 |
12 | 7715784b161 |
13 | 3544c63a5ba |
14 | 18a839cab21 |
15 | c36c1b0dc1 |
hex | 6d78719f19 |
470172147481 has 27 divisors (see below), whose sum is σ = 501627279573. Its totient is φ = 440625036600.
The previous prime is 470172147479. The next prime is 470172147559. The reversal of 470172147481 is 184741271074.
The square root of 470172147481 is 685691.
It is a perfect power (a square), and thus also a powerful number.
It is not a de Polignac number, because 470172147481 - 21 = 470172147479 is a prime.
It is a super-3 number, since 3×4701721474813 (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is not an unprimeable number, because it can be changed into a prime (470172147461) by changing a digit.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1967247360 + ... + 1967247598.
Almost surely, 2470172147481 is an apocalyptic number.
470172147481 is the 685691-st square number.
470172147481 is the 342846-th centered octagonal number.
It is an amenable number.
470172147481 is a deficient number, since it is larger than the sum of its proper divisors (31455132092).
470172147481 is an frugal number, since it uses more digits than its factorization.
470172147481 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 818 (or 409 counting only the distinct ones).
The product of its (nonzero) digits is 351232, while the sum is 46.
The spelling of 470172147481 in words is "four hundred seventy billion, one hundred seventy-two million, one hundred forty-seven thousand, four hundred eighty-one".
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