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202988040401 = 228118898691
BaseRepresentation
bin1011110100001100000…
…1111011000011010001
3201101221120210212100102
42331003001323003101
511311204414243101
6233130150102145
720444142606026
oct2750301730321
9641846725312
10202988040401
11790a5503183
123341034a955
13161ac3a6c13
149b78c9354d
15543095486b
hex2f4307b0d1

202988040401 has 4 divisors (see below), whose sum is σ = 202996961904. Its totient is φ = 202979118900.

The previous prime is 202988040397. The next prime is 202988040413. The reversal of 202988040401 is 104040889202.

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 not a de Polignac number, because 202988040401 - 22 = 202988040397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202988040481) 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, 4426535 + ... + 4472156.

It is an arithmetic number, because the mean of its divisors is an integer number (50749240476).

Almost surely, 2202988040401 is an apocalyptic number.

It is an amenable number.

202988040401 is a deficient number, since it is larger than the sum of its proper divisors (8921503).

202988040401 is an equidigital number, since it uses as much as digits as its factorization.

202988040401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8921502.

The product of its (nonzero) digits is 36864, while the sum is 38.

The spelling of 202988040401 in words is "two hundred two billion, nine hundred eighty-eight million, forty thousand, four hundred one".

Divisors: 1 22811 8898691 202988040401