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30385627356 = 2237251676237
BaseRepresentation
bin11100010011000111…
…111110000011011100
32220102121220210122210
4130103013332003130
5444212210033411
621543045240420
72123661366600
oct342307760334
986377823583
1030385627356
1111982992627
125a80103110
132b33243776
14168374b500
15bcc8edca6
hex7131fe0dc

30385627356 has 36 divisors (see below), whose sum is σ = 82475275848. Its totient is φ = 8681607648.

The previous prime is 30385627339. The next prime is 30385627357. The reversal of 30385627356 is 65372658303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30385627357) 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 11 ways as a sum of consecutive naturals, for example, 25837531 + ... + 25838706.

Almost surely, 230385627356 is an apocalyptic number.

It is an amenable number.

30385627356 is an abundant number, since it is smaller than the sum of its proper divisors (52089648492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30385627356 is a wasteful number, since it uses less digits than its factorization.

30385627356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51676258 (or 51676249 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 48.

The spelling of 30385627356 in words is "thirty billion, three hundred eighty-five million, six hundred twenty-seven thousand, three hundred fifty-six".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 49 84 98 147 196 294 588 51676237 103352474 155028711 206704948 310057422 361733659 620114844 723467318 1085200977 1446934636 2170401954 2532135613 4340803908 5064271226 7596406839 10128542452 15192813678 30385627356