Search a number
-
+
203002112401 = 1118454737491
BaseRepresentation
bin1011110100001111011…
…1100110100110010001
3201101222120021210111121
42331003313212212101
511311222020044101
6233131411442241
720444403325204
oct2750367464621
9641876253447
10203002112401
1179102444730
1233414bb6381
13161b229304a
149b7aab793b
155431cd40a1
hex2f43de6991

203002112401 has 4 divisors (see below), whose sum is σ = 221456849904. Its totient is φ = 184547374900.

The previous prime is 203002112387. The next prime is 203002112419. The reversal of 203002112401 is 104211200302.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-203002112401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203002112491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9227368735 + ... + 9227368756.

It is an arithmetic number, because the mean of its divisors is an integer number (55364212476).

Almost surely, 2203002112401 is an apocalyptic number.

It is an amenable number.

203002112401 is a deficient number, since it is larger than the sum of its proper divisors (18454737503).

203002112401 is a wasteful number, since it uses less digits than its factorization.

203002112401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18454737502.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 203002112401 its reverse (104211200302), we get a palindrome (307213312703).

The spelling of 203002112401 in words is "two hundred three billion, two million, one hundred twelve thousand, four hundred one".

Divisors: 1 11 18454737491 203002112401