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202202021201 = 696129047841
BaseRepresentation
bin1011110001010000101…
…1011111110101010001
3201022220210202221201012
42330110023133311101
511303102204134301
6232520151020305
720415516551615
oct2742413376521
9638823687635
10202202021201
1178831851334
123323106a695
13160b55aa7bb
149b02727345
1553d693eebb
hex2f142dfd51

202202021201 has 4 divisors (see below), whose sum is σ = 202231076004. Its totient is φ = 202172966400.

The previous prime is 202202021171. The next prime is 202202021207. The reversal of 202202021201 is 102120202202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 109164820801 + 93037200400 = 330401^2 + 305020^2 .

It is a cyclic number.

It is not a de Polignac number, because 202202021201 - 26 = 202202021137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202202021207) 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, 14516960 + ... + 14530881.

It is an arithmetic number, because the mean of its divisors is an integer number (50557769001).

Almost surely, 2202202021201 is an apocalyptic number.

It is an amenable number.

202202021201 is a deficient number, since it is larger than the sum of its proper divisors (29054803).

202202021201 is an equidigital number, since it uses as much as digits as its factorization.

202202021201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29054802.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 202202021201 its reverse (102120202202), we get a palindrome (304322223403).

The spelling of 202202021201 in words is "two hundred two billion, two hundred two million, twenty-one thousand, two hundred one".

Divisors: 1 6961 29047841 202202021201