Base | Representation |
---|---|
bin | 11111010100100010010… |
… | …111100010101111011011 |
3 | 21121202121100001112200000 |
4 | 133110202113202233123 |
5 | 240231010413243001 |
6 | 4324440041544043 |
7 | 311334240304236 |
oct | 37244227425733 |
9 | 7552540045600 |
10 | 2152355212251 |
11 | 75a899450842 |
12 | 2a91834a5023 |
13 | 127c73a4a63a |
14 | 76262d6241d |
15 | 3aec3737a86 |
hex | 1f5225e2bdb |
2152355212251 has 12 divisors (see below), whose sum is σ = 3224104104312. Its totient is φ = 1434903474672.
The previous prime is 2152355212141. The next prime is 2152355212289. The reversal of 2152355212251 is 1522125532512.
2152355212251 is a `hidden beast` number, since 2 + 1 + 52 + 3 + 552 + 1 + 2 + 2 + 51 = 666.
It is not a de Polignac number, because 2152355212251 - 27 = 2152355212123 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2152355210251) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4428714186 + ... + 4428714671.
It is an arithmetic number, because the mean of its divisors is an integer number (268675342026).
Almost surely, 22152355212251 is an apocalyptic number.
2152355212251 is a deficient number, since it is larger than the sum of its proper divisors (1071748892061).
2152355212251 is an frugal number, since it uses more digits than its factorization.
2152355212251 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8857428872 (or 8857428860 counting only the distinct ones).
The product of its digits is 60000, while the sum is 36.
The spelling of 2152355212251 in words is "two trillion, one hundred fifty-two billion, three hundred fifty-five million, two hundred twelve thousand, two hundred fifty-one".
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