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422975549768 = 232299392
BaseRepresentation
bin1100010011110110100…
…11101011000101001000
31111102202220010020011112
412021323103223011020
523412223220043033
6522151241545452
742362504565062
oct6117323530510
91442686106145
10422975549768
11153423741a62
1269b857a5288
1330b6a6195c5
1416687728732
15b0089c8c48
hex627b4eb148

422975549768 has 12 divisors (see below), whose sum is σ = 793082604915. Its totient is φ = 211486855128.

The previous prime is 422975549761. The next prime is 422975549791. The reversal of 422975549768 is 867945579224.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 211487774884 + 211487774884 = 459878^2 + 459878^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=459878.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 422975549698 and 422975549707.

It is not an unprimeable number, because it can be changed into a prime (422975549761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1724543 + ... + 1954481.

Almost surely, 2422975549768 is an apocalyptic number.

It is an amenable number.

422975549768 is a deficient number, since it is larger than the sum of its proper divisors (370107055147).

422975549768 is an frugal number, since it uses more digits than its factorization.

422975549768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459884 (or 229941 counting only the distinct ones).

The product of its digits is 304819200, while the sum is 68.

The spelling of 422975549768 in words is "four hundred twenty-two billion, nine hundred seventy-five million, five hundred forty-nine thousand, seven hundred sixty-eight".

Divisors: 1 2 4 8 229939 459878 919756 1839512 52871943721 105743887442 211487774884 422975549768