Search a number
-
+
10021201123 = 172011293129
BaseRepresentation
bin10010101010100111…
…10110010011100011
3221212101122202121011
421111103312103203
5131010411413443
64334221041351
7503222542543
oct112523662343
927771582534
1010021201123
1142827857aa
121b380b6257
13c3920150b
146b0cc1323
153d9b99b9d
hex2554f64e3

10021201123 has 8 divisors (see below), whose sum is σ = 10615996080. Its totient is φ = 9426996480.

The previous prime is 10021201117. The next prime is 10021201133. The reversal of 10021201123 is 32110212001.

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 10021201123 - 233 = 1431266531 is a prime.

It is a super-2 number, since 2×100212011232 (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 (10021201133) 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, 112378 + ... + 180751.

It is an arithmetic number, because the mean of its divisors is an integer number (1326999510).

Almost surely, 210021201123 is an apocalyptic number.

10021201123 is a deficient number, since it is larger than the sum of its proper divisors (594794957).

10021201123 is a wasteful number, since it uses less digits than its factorization.

10021201123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295157.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 10021201123 its reverse (32110212001), we get a palindrome (42131413124).

The spelling of 10021201123 in words is "ten billion, twenty-one million, two hundred one thousand, one hundred twenty-three".

Divisors: 1 17 2011 34187 293129 4983193 589482419 10021201123