Search a number
-
+
228660862601 is a prime number
BaseRepresentation
bin1101010011110100111…
…1111101111010001001
3210212012202202100201002
43110331033331322021
512221244140100401
6253013443504345
722343300156123
oct3247517757211
9725182670632
10228660862601
1188a7a106506
12383960880b5
1318741125282
14b0d273c213
155e3472ba6b
hex353d3fde89

228660862601 has 2 divisors, whose sum is σ = 228660862602. Its totient is φ = 228660862600.

The previous prime is 228660862543. The next prime is 228660862607. The reversal of 228660862601 is 106268066822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 201188131600 + 27472731001 = 448540^2 + 165749^2 .

It is a cyclic number.

It is not a de Polignac number, because 228660862601 - 218 = 228660600457 is a prime.

It is not a weakly prime, because it can be changed into another prime (228660862607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114330431300 + 114330431301.

It is an arithmetic number, because the mean of its divisors is an integer number (114330431301).

Almost surely, 2228660862601 is an apocalyptic number.

It is an amenable number.

228660862601 is a deficient number, since it is larger than the sum of its proper divisors (1).

228660862601 is an equidigital number, since it uses as much as digits as its factorization.

228660862601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 663552, while the sum is 47.

The spelling of 228660862601 in words is "two hundred twenty-eight billion, six hundred sixty million, eight hundred sixty-two thousand, six hundred one".