Base | Representation |
---|---|
bin | 10010101010101001… |
… | …11110001101011001 |
3 | 221212102012201121020 |
4 | 21111110332031121 |
5 | 131011000330031 |
6 | 4334231233053 |
7 | 503225210313 |
oct | 112524761531 |
9 | 27772181536 |
10 | 10021495641 |
11 | 4282967003 |
12 | 1b38218789 |
13 | c392a55a1 |
14 | 6b0d5a7b3 |
15 | 3d9c07096 |
hex | 25553e359 |
10021495641 has 8 divisors (see below), whose sum is σ = 14065257120. Its totient is φ = 6329365632.
The previous prime is 10021495633. The next prime is 10021495691. The reversal of 10021495641 is 14659412001.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 10021495641 - 23 = 10021495633 is a prime.
It is not an unprimeable number, because it can be changed into a prime (10021495691) 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, 87907800 + ... + 87907913.
It is an arithmetic number, because the mean of its divisors is an integer number (1758157140).
Almost surely, 210021495641 is an apocalyptic number.
It is an amenable number.
10021495641 is a deficient number, since it is larger than the sum of its proper divisors (4043761479).
10021495641 is a wasteful number, since it uses less digits than its factorization.
10021495641 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 175815735.
The product of its (nonzero) digits is 8640, while the sum is 33.
The spelling of 10021495641 in words is "ten billion, twenty-one million, four hundred ninety-five thousand, six hundred forty-one".
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