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472431598181 is a prime number
BaseRepresentation
bin1101101111111110001…
…11100001101001100101
31200011102120101210111022
412313333013201221211
530220014442120211
61001010532420525
746063203220124
oct6677707415145
91604376353438
10472431598181
111723a2359144
1277688477745
133571c785b8a
1418c19b01abb
15c450722bdb
hex6dff1e1a65

472431598181 has 2 divisors, whose sum is σ = 472431598182. Its totient is φ = 472431598180.

The previous prime is 472431598151. The next prime is 472431598207. The reversal of 472431598181 is 181895134274.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 454080561025 + 18351037156 = 673855^2 + 135466^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-472431598181 is a prime.

It is a super-2 number, since 2×4724315981812 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (472431598151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236215799090 + 236215799091.

It is an arithmetic number, because the mean of its divisors is an integer number (236215799091).

Almost surely, 2472431598181 is an apocalyptic number.

It is an amenable number.

472431598181 is a deficient number, since it is larger than the sum of its proper divisors (1).

472431598181 is an equidigital number, since it uses as much as digits as its factorization.

472431598181 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1935360, while the sum is 53.

The spelling of 472431598181 in words is "four hundred seventy-two billion, four hundred thirty-one million, five hundred ninety-eight thousand, one hundred eighty-one".