Base | Representation |
---|---|
bin | 11011100111101010100110… |
… | …011011000001110000000011 |
3 | 120221002201012012201111220200 |
4 | 123213222212123001300003 |
5 | 111410203310113342022 |
6 | 1110203541352140243 |
7 | 34405065411421221 |
oct | 3347524633016003 |
9 | 527081165644820 |
10 | 121473057168387 |
11 | 35783485a80411 |
12 | 1175a361097683 |
13 | 52a1b2495a862 |
14 | 21dd4822d9b11 |
15 | e09bd64adbac |
hex | 6e7aa66c1c03 |
121473057168387 has 24 divisors (see below), whose sum is σ = 176535919113840. Its totient is φ = 80487198365760.
The previous prime is 121473057168383. The next prime is 121473057168431. The reversal of 121473057168387 is 783861750374121.
121473057168387 is a `hidden beast` number, since 1 + 2 + 1 + 47 + 3 + 0 + 57 + 168 + 387 = 666.
It is not a de Polignac number, because 121473057168387 - 22 = 121473057168383 is a prime.
It is not an unprimeable number, because it can be changed into a prime (121473057168383) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50433408 + ... + 52787069.
It is an arithmetic number, because the mean of its divisors is an integer number (7355663296410).
Almost surely, 2121473057168387 is an apocalyptic number.
121473057168387 is a deficient number, since it is larger than the sum of its proper divisors (55062861945453).
121473057168387 is a wasteful number, since it uses less digits than its factorization.
121473057168387 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 103221283 (or 103221280 counting only the distinct ones).
The product of its (nonzero) digits is 47416320, while the sum is 63.
The spelling of 121473057168387 in words is "one hundred twenty-one trillion, four hundred seventy-three billion, fifty-seven million, one hundred sixty-eight thousand, three hundred eighty-seven".
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