Base | Representation |
---|---|
bin | 111010001100011100… |
… | …0001000111001111111 |
3 | 102221120110202222110200 |
4 | 1310120320020321333 |
5 | 4021420140440221 |
6 | 133224443134543 |
7 | 12012623361042 |
oct | 1643070107177 |
9 | 387513688420 |
10 | 124971421311 |
11 | 49000122580 |
12 | 20278814453 |
13 | ba2814ab99 |
14 | 60976c8c59 |
15 | 33b6664426 |
hex | 1d18e08e7f |
124971421311 has 24 divisors (see below), whose sum is σ = 205486609536. Its totient is φ = 72447199440.
The previous prime is 124971421283. The next prime is 124971421331. The reversal of 124971421311 is 113124179421.
124971421311 is a `hidden beast` number, since 1 + 2 + 497 + 142 + 13 + 11 = 666.
It is not a de Polignac number, because 124971421311 - 215 = 124971388543 is a prime.
It is a super-2 number, since 2×1249714213112 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (124971421331) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27439845 + ... + 27444398.
It is an arithmetic number, because the mean of its divisors is an integer number (8561942064).
Almost surely, 2124971421311 is an apocalyptic number.
124971421311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
124971421311 is a deficient number, since it is larger than the sum of its proper divisors (80515188225).
124971421311 is a wasteful number, since it uses less digits than its factorization.
124971421311 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 54884283 (or 54884280 counting only the distinct ones).
The product of its digits is 12096, while the sum is 36.
The spelling of 124971421311 in words is "one hundred twenty-four billion, nine hundred seventy-one million, four hundred twenty-one thousand, three hundred eleven".
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