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10240010221 = 73739536719
BaseRepresentation
bin10011000100101101…
…00010011111101101
3222102122101102020211
421202112202133231
5131432420311341
64412034542421
7511520436130
oct114226423755
928378342224
1010240010221
114385245271
121b99437a11
13c72642b5c
146d1d9c217
153edebc181
hex2625a27ed

10240010221 has 8 divisors (see below), whose sum is σ = 12019162880. Its totient is φ = 8539931088.

The previous prime is 10240010203. The next prime is 10240010237. The reversal of 10240010221 is 12201004201.

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 10240010221 - 27 = 10240010093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10240040221) 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, 19768101 + ... + 19768618.

It is an arithmetic number, because the mean of its divisors is an integer number (1502395360).

Almost surely, 210240010221 is an apocalyptic number.

It is an amenable number.

10240010221 is a deficient number, since it is larger than the sum of its proper divisors (1779152659).

10240010221 is an equidigital number, since it uses as much as digits as its factorization.

10240010221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39536763.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 10240010221 its reverse (12201004201), we get a palindrome (22441014422).

The spelling of 10240010221 in words is "ten billion, two hundred forty million, ten thousand, two hundred twenty-one".

Divisors: 1 7 37 259 39536719 276757033 1462858603 10240010221