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30817874762668 = 2271100638384381
BaseRepresentation
bin1110000000111010110000…
…11110100101101110101100
311001010011022200100112011201
413000131120132211232230
513014410001414401133
6145313311453455244
76330342444230020
oct700353036455654
9131104280315151
1030817874762668
119901872979584
123558863aa1524
1314271616aa466
1478784365c380
1538699c486d7d
hex1c07587a5bac

30817874762668 has 12 divisors (see below), whose sum is σ = 61635749525392. Its totient is φ = 13207660612560.

The previous prime is 30817874762627. The next prime is 30817874762677. The reversal of 30817874762668 is 86626747871803.

30817874762668 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 30817874762668.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 550319192163 + ... + 550319192218.

Almost surely, 230817874762668 is an apocalyptic number.

It is an amenable number.

30817874762668 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

30817874762668 is a wasteful number, since it uses less digits than its factorization.

30817874762668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100638384392 (or 1100638384390 counting only the distinct ones).

The product of its (nonzero) digits is 910393344, while the sum is 73.

The spelling of 30817874762668 in words is "thirty trillion, eight hundred seventeen billion, eight hundred seventy-four million, seven hundred sixty-two thousand, six hundred sixty-eight".

Divisors: 1 2 4 7 14 28 1100638384381 2201276768762 4402553537524 7704468690667 15408937381334 30817874762668