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30575747458 = 241500974441
BaseRepresentation
bin11100011110011101…
…001110000110000010
32220220212122220102001
4130132131032012002
51000104342404313
622014000214214
72131460364604
oct343635160602
986825586361
1030575747458
1111a70237683
125b1390a36a
132b6374ba79
1416a0abb174
15bde455add
hex71e74e182

30575747458 has 16 divisors (see below), whose sum is σ = 46992256920. Its totient is φ = 14911820800.

The previous prime is 30575747437. The next prime is 30575747471. The reversal of 30575747458 is 85474757503.

It can be written as a sum of positive squares in 4 ways, for example, as 11141435809 + 19434311649 = 105553^2 + 139407^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30575747399 and 30575747408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 373518 + ... + 447958.

Almost surely, 230575747458 is an apocalyptic number.

30575747458 is a deficient number, since it is larger than the sum of its proper divisors (16416509462).

30575747458 is a wasteful number, since it uses less digits than its factorization.

30575747458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79493.

The product of its (nonzero) digits is 16464000, while the sum is 55.

The spelling of 30575747458 in words is "thirty billion, five hundred seventy-five million, seven hundred forty-seven thousand, four hundred fifty-eight".

Divisors: 1 2 41 82 5009 10018 74441 148882 205369 410738 3052081 6104162 372874969 745749938 15287873729 30575747458