Base | Representation |
---|---|
bin | 100101010000100110… |
… | …110111001011000111 |
3 | 10211021011100202021102 |
4 | 211100212313023013 |
5 | 1123413302223112 |
6 | 30213510210315 |
7 | 2614261326143 |
oct | 452046671307 |
9 | 124234322242 |
10 | 40007070407 |
11 | 15a6aa48157 |
12 | 790635399b |
13 | 3a07689835 |
14 | 1d174cc223 |
15 | 1092431bc2 |
hex | 9509b72c7 |
40007070407 has 4 divisors (see below), whose sum is σ = 40007719080. Its totient is φ = 40006421736.
The previous prime is 40007070371. The next prime is 40007070409. The reversal of 40007070407 is 70407070004.
40007070407 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 a cyclic number.
It is not a de Polignac number, because 40007070407 - 224 = 39990293191 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 40007070407.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (40007070409) 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, 220808 + ... + 358845.
It is an arithmetic number, because the mean of its divisors is an integer number (10001929770).
Almost surely, 240007070407 is an apocalyptic number.
40007070407 is a deficient number, since it is larger than the sum of its proper divisors (648673).
40007070407 is an equidigital number, since it uses as much as digits as its factorization.
40007070407 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 648672.
The product of its (nonzero) digits is 5488, while the sum is 29.
The spelling of 40007070407 in words is "forty billion, seven million, seventy thousand, four hundred seven".
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