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202252433401 = 972085076633
BaseRepresentation
bin1011110001011100101…
…1110011011111111001
3201100001022122011020201
42330113023303133321
511303203110332101
6232525151322201
720420001214144
oct2742713633771
9640038564221
10202252433401
1178858253807
1233245b20361
13160c2b7b6c5
149b092cb05b
1553db09be01
hex2f172f37f9

202252433401 has 4 divisors (see below), whose sum is σ = 204337510132. Its totient is φ = 200167356672.

The previous prime is 202252433399. The next prime is 202252433407. The reversal of 202252433401 is 104334252202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 104334252202 = 252167126101.

It can be written as a sum of positive squares in 2 ways, for example, as 31125427776 + 171127005625 = 176424^2 + 413675^2 .

It is a cyclic number.

It is not a de Polignac number, because 202252433401 - 21 = 202252433399 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 202252433401.

It is not an unprimeable number, because it can be changed into a prime (202252433407) 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, 1042538220 + ... + 1042538413.

It is an arithmetic number, because the mean of its divisors is an integer number (51084377533).

Almost surely, 2202252433401 is an apocalyptic number.

It is an amenable number.

202252433401 is a deficient number, since it is larger than the sum of its proper divisors (2085076731).

202252433401 is an equidigital number, since it uses as much as digits as its factorization.

202252433401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2085076730.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 202252433401 its reverse (104334252202), we get a palindrome (306586685603).

The spelling of 202252433401 in words is "two hundred two billion, two hundred fifty-two million, four hundred thirty-three thousand, four hundred one".

Divisors: 1 97 2085076633 202252433401