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203868670469 is a prime number
BaseRepresentation
bin1011110111011110000…
…1010000101000000101
3201111012221212111200212
42331313201100220011
511320010334423334
6233353405045205
720505025051442
oct2756741205005
9644187774625
10203868670469
1179507605622
1233617256805
13162bc97abb9
149c1dc0a9c9
155482e06ece
hex2f77850a05

203868670469 has 2 divisors, whose sum is σ = 203868670470. Its totient is φ = 203868670468.

The previous prime is 203868670373. The next prime is 203868670541. The reversal of 203868670469 is 964076868302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 193472421025 + 10396249444 = 439855^2 + 101962^2 .

It is a cyclic number.

It is not a de Polignac number, because 203868670469 - 224 = 203851893253 is a prime.

It is a super-2 number, since 2×2038686704692 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203868673469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101934335234 + 101934335235.

It is an arithmetic number, because the mean of its divisors is an integer number (101934335235).

Almost surely, 2203868670469 is an apocalyptic number.

It is an amenable number.

203868670469 is a deficient number, since it is larger than the sum of its proper divisors (1).

203868670469 is an equidigital number, since it uses as much as digits as its factorization.

203868670469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20901888, while the sum is 59.

The spelling of 203868670469 in words is "two hundred three billion, eight hundred sixty-eight million, six hundred seventy thousand, four hundred sixty-nine".