Search a number
-
+
10002202431 = 313256466729
BaseRepresentation
bin10010101000010110…
…10111111100111111
3221211001220112021220
421110023113330333
5130441030434211
64332301524423
7502602214014
oct112413277477
927731815256
1010002202431
114272a89801
121b31873713
13c352abaa0
146ac57770b
153d8195806
hex2542d7f3f

10002202431 has 8 divisors (see below), whose sum is σ = 14362136880. Its totient is φ = 6155201472.

The previous prime is 10002202423. The next prime is 10002202499. The reversal of 10002202431 is 13420220001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10002202431 - 23 = 10002202423 is a prime.

It is a super-2 number, since 2×100022024312 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10002202431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10002202031) 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, 128233326 + ... + 128233403.

It is an arithmetic number, because the mean of its divisors is an integer number (1795267110).

Almost surely, 210002202431 is an apocalyptic number.

10002202431 is a deficient number, since it is larger than the sum of its proper divisors (4359934449).

10002202431 is a wasteful number, since it uses less digits than its factorization.

10002202431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256466745.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 10002202431 its reverse (13420220001), we get a palindrome (23422422432).

The spelling of 10002202431 in words is "ten billion, two million, two hundred two thousand, four hundred thirty-one".

Divisors: 1 3 13 39 256466729 769400187 3334067477 10002202431