Search a number
-
+
10203010231 = 29536638263
BaseRepresentation
bin10011000000010010…
…11001010010110111
3222100001202121210211
421200021121102313
5131343432311411
64404233530251
7510561104341
oct114011312267
928301677724
1010203010231
114366373667
121b88b73987
13c67a8997b
146cb0ca291
153eab0e221
hex2602594b7

10203010231 has 8 divisors (see below), whose sum is σ = 10753987680. Its totient is φ = 9665309472.

The previous prime is 10203010217. The next prime is 10203010247. The reversal of 10203010231 is 13201030201.

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 10203010231 - 213 = 10203002039 is a prime.

It is a super-2 number, since 2×102030102312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10203010261) 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, 3317595 + ... + 3320668.

It is an arithmetic number, because the mean of its divisors is an integer number (1344248460).

Almost surely, 210203010231 is an apocalyptic number.

10203010231 is a deficient number, since it is larger than the sum of its proper divisors (550977449).

10203010231 is an equidigital number, since it uses as much as digits as its factorization.

10203010231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6638345.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 10203010231 its reverse (13201030201), we get a palindrome (23404040432).

The spelling of 10203010231 in words is "ten billion, two hundred three million, ten thousand, two hundred thirty-one".

Divisors: 1 29 53 1537 6638263 192509627 351827939 10203010231