Base | Representation |
---|---|
bin | 10010110010111100… |
… | …01001001111101001 |
3 | 222001021000101000010 |
4 | 21121132021033221 |
5 | 131131244242001 |
6 | 4345153202133 |
7 | 505031106213 |
oct | 113136111751 |
9 | 28037011003 |
10 | 10091009001 |
11 | 4309125467 |
12 | 1b57560349 |
13 | c4a803758 |
14 | 6ba2935b3 |
15 | 3e0d888d6 |
hex | 2597893e9 |
10091009001 has 8 divisors (see below), whose sum is σ = 13818318784. Its totient is φ = 6545519280.
The previous prime is 10091008999. The next prime is 10091009021. The reversal of 10091009001 is 10090019001.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 10091009001 - 21 = 10091008999 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (10091009021) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45454885 + ... + 45455106.
It is an arithmetic number, because the mean of its divisors is an integer number (1727289848).
Almost surely, 210091009001 is an apocalyptic number.
It is an amenable number.
10091009001 is a deficient number, since it is larger than the sum of its proper divisors (3727309783).
10091009001 is an equidigital number, since it uses as much as digits as its factorization.
10091009001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 90910031.
The product of its (nonzero) digits is 81, while the sum is 21.
It can be divided in two parts, 1009100 and 9001, that added together give a palindrome (1018101).
The spelling of 10091009001 in words is "ten billion, ninety-one million, nine thousand, one".
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