Search a number
-
+
203104240203 = 390511747991
BaseRepresentation
bin1011110100100111110…
…1001100001001001011
3201102020200110102111210
42331021331030021023
511311424141141303
6233145500424203
720450053361664
oct2751175141113
9642220412453
10203104240203
1179155059877
1233443248063
13161ca4a01b7
149b8a4a036b
15543ac59203
hex2f49f4c24b

203104240203 has 8 divisors (see below), whose sum is σ = 270809007616. Its totient is φ = 135401149800.

The previous prime is 203104240201. The next prime is 203104240223. The reversal of 203104240203 is 302042401302.

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

It is not a de Polignac number, because 203104240203 - 21 = 203104240201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 203104240203.

It is not an unprimeable number, because it can be changed into a prime (203104240201) 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, 102463 + ... + 645528.

It is an arithmetic number, because the mean of its divisors is an integer number (33851125952).

Almost surely, 2203104240203 is an apocalyptic number.

203104240203 is a deficient number, since it is larger than the sum of its proper divisors (67704767413).

203104240203 is an equidigital number, since it uses as much as digits as its factorization.

203104240203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838505.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 203104240203 its reverse (302042401302), we get a palindrome (505146641505).

The spelling of 203104240203 in words is "two hundred three billion, one hundred four million, two hundred forty thousand, two hundred three".

Divisors: 1 3 90511 271533 747991 2243973 67701413401 203104240203