Base | Representation |
---|---|
bin | 10010111110110110… |
… | …01011111000101001 |
3 | 222022012222012010211 |
4 | 21133123023320221 |
5 | 131332332143211 |
6 | 4403122141121 |
7 | 510353123020 |
oct | 113733137051 |
9 | 28265865124 |
10 | 10190896681 |
11 | 435a54a569 |
12 | 1b84ab17a1 |
13 | c654080a4 |
14 | 6c96558b7 |
15 | 3e9a19e21 |
hex | 25f6cbe29 |
10190896681 has 4 divisors (see below), whose sum is σ = 11646739072. Its totient is φ = 8735054292.
The previous prime is 10190896679. The next prime is 10190896697. The reversal of 10190896681 is 18669809101.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 18669809101 = 43 ⋅434181607.
It is a cyclic number.
It is not a de Polignac number, because 10190896681 - 21 = 10190896679 is a prime.
It is a super-2 number, since 2×101908966812 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (10190890681) 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, 727921185 + ... + 727921198.
It is an arithmetic number, because the mean of its divisors is an integer number (2911684768).
Almost surely, 210190896681 is an apocalyptic number.
It is an amenable number.
10190896681 is a deficient number, since it is larger than the sum of its proper divisors (1455842391).
10190896681 is an equidigital number, since it uses as much as digits as its factorization.
10190896681 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1455842390.
The product of its (nonzero) digits is 186624, while the sum is 49.
The spelling of 10190896681 in words is "ten billion, one hundred ninety million, eight hundred ninety-six thousand, six hundred eighty-one".
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