Base | Representation |
---|---|
bin | 10010111110001011… |
… | …001001101011000111 |
3 | 1221120122121202112120 |
4 | 102332023021223013 |
5 | 313204314312211 |
6 | 13205201421023 |
7 | 1320541040133 |
oct | 227613115307 |
9 | 57518552476 |
10 | 20370463431 |
11 | 870366074a |
12 | 3b4603a773 |
13 | 1bc8377176 |
14 | db359c3c3 |
15 | 7e3547d06 |
hex | 4be2c9ac7 |
20370463431 has 16 divisors (see below), whose sum is σ = 27312076800. Its totient is φ = 13504628480.
The previous prime is 20370463409. The next prime is 20370463439. The reversal of 20370463431 is 13436407302.
It is a cyclic number.
It is not a de Polignac number, because 20370463431 - 210 = 20370462407 is a prime.
It is a super-2 number, since 2×203704634312 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 20370463392 and 20370463401.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20370463439) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2949220 + ... + 2956118.
It is an arithmetic number, because the mean of its divisors is an integer number (1707004800).
Almost surely, 220370463431 is an apocalyptic number.
20370463431 is a deficient number, since it is larger than the sum of its proper divisors (6941613369).
20370463431 is a wasteful number, since it uses less digits than its factorization.
20370463431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12246.
The product of its (nonzero) digits is 36288, while the sum is 33.
The spelling of 20370463431 in words is "twenty billion, three hundred seventy million, four hundred sixty-three thousand, four hundred thirty-one".
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