Base | Representation |
---|---|
bin | 10010101011110011… |
… | …01100001110011111 |
3 | 221220002022202112112 |
4 | 21111321230032133 |
5 | 131020431340221 |
6 | 4335213424235 |
7 | 503403060431 |
oct | 112571541637 |
9 | 27802282475 |
10 | 10031121311 |
11 | 4288340a02 |
12 | 1b3b49b07b |
13 | c3b295953 |
14 | 6b2344651 |
15 | 3da9a915b |
hex | 255e6c39f |
10031121311 has 8 divisors (see below), whose sum is σ = 10246114560. Its totient is φ = 9816193368.
The previous prime is 10031121277. The next prime is 10031121323. The reversal of 10031121311 is 11312113001.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 10031121311 - 214 = 10031104927 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10031121811) 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, 414380 + ... + 437918.
It is an arithmetic number, because the mean of its divisors is an integer number (1280764320).
Almost surely, 210031121311 is an apocalyptic number.
10031121311 is a deficient number, since it is larger than the sum of its proper divisors (214993249).
10031121311 is an equidigital number, since it uses as much as digits as its factorization.
10031121311 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32653.
The product of its (nonzero) digits is 18, while the sum is 14.
Adding to 10031121311 its reverse (11312113001), we get a palindrome (21343234312).
The spelling of 10031121311 in words is "ten billion, thirty-one million, one hundred twenty-one thousand, three hundred eleven".
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