Base | Representation |
---|---|
bin | 111101000110011001… |
… | …0011010100111100111 |
3 | 110112200022201201112100 |
4 | 1322030302122213213 |
5 | 4122210011422401 |
6 | 140135540023143 |
7 | 12323350324551 |
oct | 1721462324747 |
9 | 415608651470 |
10 | 131211045351 |
11 | 5071223a461 |
12 | 2151a391ab3 |
13 | c4b0a65609 |
14 | 64ca2724d1 |
15 | 362e331b86 |
hex | 1e8cc9a9e7 |
131211045351 has 6 divisors (see below), whose sum is σ = 189527065520. Its totient is φ = 87474030228.
The previous prime is 131211045349. The next prime is 131211045373. The reversal of 131211045351 is 153540112131.
131211045351 is a `hidden beast` number, since 1 + 3 + 1 + 21 + 104 + 535 + 1 = 666.
It is not a de Polignac number, because 131211045351 - 21 = 131211045349 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131211045391) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7289502511 + ... + 7289502528.
Almost surely, 2131211045351 is an apocalyptic number.
131211045351 is a deficient number, since it is larger than the sum of its proper divisors (58316020169).
131211045351 is a wasteful number, since it uses less digits than its factorization.
131211045351 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14579005045 (or 14579005042 counting only the distinct ones).
The product of its (nonzero) digits is 1800, while the sum is 27.
Adding to 131211045351 its reverse (153540112131), we get a palindrome (284751157482).
The spelling of 131211045351 in words is "one hundred thirty-one billion, two hundred eleven million, forty-five thousand, three hundred fifty-one".
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