Base | Representation |
---|---|
bin | 100101111100011111… |
… | …000001111010001011 |
3 | 10220011110112202110000 |
4 | 211330133001322023 |
5 | 1131420230332411 |
6 | 30414524254043 |
7 | 2641440416412 |
oct | 457437017213 |
9 | 126143482400 |
10 | 40743214731 |
11 | 1630853429a |
12 | 7a909a1323 |
13 | 3ac40427ab |
14 | 1d87194479 |
15 | 10d6d93956 |
hex | 97c7c1e8b |
40743214731 has 20 divisors (see below), whose sum is σ = 62962059600. Its totient is φ = 26225516016.
The previous prime is 40743214709. The next prime is 40743214751. The reversal of 40743214731 is 13741234704.
40743214731 is a `hidden beast` number, since 407 + 4 + 3 + 214 + 7 + 31 = 666.
It is not a de Polignac number, because 40743214731 - 214 = 40743198347 is a prime.
It is a super-2 number, since 2×407432147312 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (40743214751) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8670111 + ... + 8674808.
It is an arithmetic number, because the mean of its divisors is an integer number (3148102980).
Almost surely, 240743214731 is an apocalyptic number.
40743214731 is a deficient number, since it is larger than the sum of its proper divisors (22218844869).
40743214731 is a wasteful number, since it uses less digits than its factorization.
40743214731 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17344960 (or 17344951 counting only the distinct ones).
The product of its (nonzero) digits is 56448, while the sum is 36.
The spelling of 40743214731 in words is "forty billion, seven hundred forty-three million, two hundred fourteen thousand, seven hundred thirty-one".
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