Base | Representation |
---|---|
bin | 11111010110110001000… |
… | …000000100100110000100 |
3 | 21121222210002212222120211 |
4 | 133112301000010212010 |
5 | 240300411014420343 |
6 | 4325513324005204 |
7 | 311450445340651 |
oct | 37266100044604 |
9 | 7558702788524 |
10 | 2154748201348 |
11 | 760907204986 |
12 | 2a9730990804 |
13 | 128265750112 |
14 | 7640cab8c28 |
15 | 3b0b387679d |
hex | 1f5b1004984 |
2154748201348 has 6 divisors (see below), whose sum is σ = 3770809352366. Its totient is φ = 1077374100672.
The previous prime is 2154748201343. The next prime is 2154748201379. The reversal of 2154748201348 is 8431028474512.
It can be written as a sum of positive squares in only one way, i.e., 1921389644164 + 233358557184 = 1386142^2 + 483072^2 .
It is a super-2 number, since 2×21547482013482 (a number of 25 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2154748201343) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269343525165 + ... + 269343525172.
Almost surely, 22154748201348 is an apocalyptic number.
It is an amenable number.
2154748201348 is a deficient number, since it is larger than the sum of its proper divisors (1616061151018).
2154748201348 is a wasteful number, since it uses less digits than its factorization.
2154748201348 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 538687050341 (or 538687050339 counting only the distinct ones).
The product of its (nonzero) digits is 1720320, while the sum is 49.
The spelling of 2154748201348 in words is "two trillion, one hundred fifty-four billion, seven hundred forty-eight million, two hundred one thousand, three hundred forty-eight".
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