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203202013001 = 1361256244657
BaseRepresentation
bin1011110100111111001…
…0001010011101001001
3201102111111102210120112
42331033302022131021
511312124203404001
6233203312204105
720452351416611
oct2751762123511
9642444383515
10203202013001
11791a5269a39
123346bb39635
1316214814020
149b99471a41
15544461dcbb
hex2f4fc8a749

203202013001 has 8 divisors (see below), whose sum is σ = 222420363144. Its totient is φ = 184496152320.

The previous prime is 203202012997. The next prime is 203202013033. The reversal of 203202013001 is 100310202302.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1981585225 + 201220427776 = 44515^2 + 448576^2 .

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 203202013001 - 22 = 203202012997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203202015001) 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, 128121536 + ... + 128123121.

It is an arithmetic number, because the mean of its divisors is an integer number (27802545393).

Almost surely, 2203202013001 is an apocalyptic number.

It is an amenable number.

203202013001 is a deficient number, since it is larger than the sum of its proper divisors (19218350143).

203202013001 is a wasteful number, since it uses less digits than its factorization.

203202013001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256244731.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 203202013001 its reverse (100310202302), we get a palindrome (303512215303).

The spelling of 203202013001 in words is "two hundred three billion, two hundred two million, thirteen thousand, one".

Divisors: 1 13 61 793 256244657 3331180541 15630924077 203202013001