Base | Representation |
---|---|
bin | 100101111100101101… |
… | …101110111110100111 |
3 | 10220011201210120222201 |
4 | 211330231232332213 |
5 | 1131422222204401 |
6 | 30415143035331 |
7 | 2641515242362 |
oct | 457455567647 |
9 | 126151716881 |
10 | 40747069351 |
11 | 1630a72732a |
12 | 7a9213bb47 |
13 | 3ac4a92131 |
14 | 1d878b90d9 |
15 | 10d73a5b01 |
hex | 97cb6efa7 |
40747069351 has 4 divisors (see below), whose sum is σ = 40748670472. Its totient is φ = 40745468232.
The previous prime is 40747069339. The next prime is 40747069357. The reversal of 40747069351 is 15396074704.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 40747069351 - 29 = 40747068839 is a prime.
It is a super-2 number, since 2×407470693512 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (40747069357) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 761760 + ... + 813493.
It is an arithmetic number, because the mean of its divisors is an integer number (10187167618).
Almost surely, 240747069351 is an apocalyptic number.
40747069351 is a deficient number, since it is larger than the sum of its proper divisors (1601121).
40747069351 is a wasteful number, since it uses less digits than its factorization.
40747069351 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1601120.
The product of its (nonzero) digits is 635040, while the sum is 46.
The spelling of 40747069351 in words is "forty billion, seven hundred forty-seven million, sixty-nine thousand, three hundred fifty-one".
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