Base | Representation |
---|---|
bin | 101001111010001110… |
… | …1110011100100000111 |
3 | 22121022022101100112020 |
4 | 1103310131303210013 |
5 | 2433310201100012 |
6 | 105202405254223 |
7 | 6334206114636 |
oct | 1236435634407 |
9 | 277268340466 |
10 | 90000800007 |
11 | 35195118158 |
12 | 15539104373 |
13 | 8644042461 |
14 | 44db06951d |
15 | 251b488a8c |
hex | 14f4773907 |
90000800007 has 16 divisors (see below), whose sum is σ = 122156359680. Its totient is φ = 58930840800.
The previous prime is 90000799997. The next prime is 90000800063. The reversal of 90000800007 is 70000800009.
It is not a de Polignac number, because 90000800007 - 215 = 90000767239 is a prime.
It is a super-2 number, since 2×900008000072 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 90000800007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (90000807007) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 948844 + ... + 1039377.
It is an arithmetic number, because the mean of its divisors is an integer number (7634772480).
Almost surely, 290000800007 is an apocalyptic number.
90000800007 is a deficient number, since it is larger than the sum of its proper divisors (32155559673).
90000800007 is a wasteful number, since it uses less digits than its factorization.
90000800007 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1988494.
The product of its (nonzero) digits is 504, while the sum is 24.
The spelling of 90000800007 in words is "ninety billion, eight hundred thousand, seven".
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