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230226407721 = 32153116708499
BaseRepresentation
bin1101011001101010010…
…0000011000100101001
3211000020212121021212200
43112122210003010221
512233000430021341
6253433050530413
722430140114452
oct3263244030451
9730225537780
10230226407721
1189702894752
1238752436a09
131893058642b
14b200624129
155ec6dc1db6
hex359a903129

230226407721 has 12 divisors (see below), whose sum is σ = 332766486000. Its totient is φ = 153384011640.

The previous prime is 230226407713. The next prime is 230226407759. The reversal of 230226407721 is 127704622032.

It is a happy number.

230226407721 is a `hidden beast` number, since 2 + 3 + 0 + 2 + 2 + 640 + 7 + 7 + 2 + 1 = 666.

It is not a de Polignac number, because 230226407721 - 23 = 230226407713 is a prime.

It is a super-2 number, since 2×2302264077212 (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (230226407221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8340471 + ... + 8368028.

It is an arithmetic number, because the mean of its divisors is an integer number (27730540500).

Almost surely, 2230226407721 is an apocalyptic number.

It is an amenable number.

230226407721 is a deficient number, since it is larger than the sum of its proper divisors (102540078279).

230226407721 is a wasteful number, since it uses less digits than its factorization.

230226407721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16710036 (or 16710033 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The spelling of 230226407721 in words is "two hundred thirty billion, two hundred twenty-six million, four hundred seven thousand, seven hundred twenty-one".

Divisors: 1 3 9 1531 4593 13779 16708499 50125497 150376491 25580711969 76742135907 230226407721