Base | Representation |
---|---|
bin | 100101010000100110… |
… | …111110100101010011 |
3 | 10211021011102021220102 |
4 | 211100212332211103 |
5 | 1123413304211010 |
6 | 30213511003015 |
7 | 2614261513466 |
oct | 452046764523 |
9 | 124234367812 |
10 | 40007100755 |
11 | 15a6aa68a36 |
12 | 790636946b |
13 | 3a0769a5ab |
14 | 1d174d92dd |
15 | 109243aba5 |
hex | 9509be953 |
40007100755 has 4 divisors (see below), whose sum is σ = 48008520912. Its totient is φ = 32005680600.
The previous prime is 40007100743. The next prime is 40007100761. The reversal of 40007100755 is 55700170004.
40007100755 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 40007100755 - 210 = 40007099731 is a prime.
It is a super-2 number, since 2×400071007552 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4000710071 + ... + 4000710080.
It is an arithmetic number, because the mean of its divisors is an integer number (12002130228).
Almost surely, 240007100755 is an apocalyptic number.
40007100755 is a deficient number, since it is larger than the sum of its proper divisors (8001420157).
40007100755 is an equidigital number, since it uses as much as digits as its factorization.
40007100755 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8001420156.
The product of its (nonzero) digits is 4900, while the sum is 29.
Adding to 40007100755 its reverse (55700170004), we get a palindrome (95707270759).
The spelling of 40007100755 in words is "forty billion, seven million, one hundred thousand, seven hundred fifty-five".
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