Base | Representation |
---|---|
bin | 100001110111010001111… |
… | …0011110101001010100001 |
3 | 121110221022001101001100221 |
4 | 1003232203303311022201 |
5 | 1102223244122324011 |
6 | 13522035312243041 |
7 | 660153235011631 |
oct | 103564363651241 |
9 | 17427261331327 |
10 | 4654197854881 |
11 | 153491a399773 |
12 | 632021540481 |
13 | 279b73100153 |
14 | 12139b64c6c1 |
15 | 810edec6971 |
hex | 43ba3cf52a1 |
4654197854881 has 27 divisors (see below), whose sum is σ = 4824008603001. Its totient is φ = 4490275245984.
The previous prime is 4654197854819. The next prime is 4654197854909. The reversal of 4654197854881 is 1884587914564.
The square root of 4654197854881 is 2157359.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in 4 ways, for example, as 3322020214881 + 1332177640000 = 1822641^2 + 1154200^2 .
It is not a de Polignac number, because 4654197854881 - 27 = 4654197854753 is a prime.
It is a super-2 number, since 2×46541978548812 (a number of 26 digits) contains 22 as substring.
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 4654197854881.
It is not an unprimeable number, because it can be changed into a prime (4654197854081) 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, 15884634171 + ... + 15884634463.
Almost surely, 24654197854881 is an apocalyptic number.
4654197854881 is the 2157359-th square number.
4654197854881 is the 1078680-th centered octagonal number.
It is an amenable number.
4654197854881 is a deficient number, since it is larger than the sum of its proper divisors (169810748120).
4654197854881 is an frugal number, since it uses more digits than its factorization.
4654197854881 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1058 (or 529 counting only the distinct ones).
The product of its digits is 309657600, while the sum is 70.
The spelling of 4654197854881 in words is "four trillion, six hundred fifty-four billion, one hundred ninety-seven million, eight hundred fifty-four thousand, eight hundred eighty-one".
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