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30789680752 = 241924355047
BaseRepresentation
bin11100101011001101…
…010011111001110000
32221110210012211201101
4130223031103321300
51001024124241002
622051121414144
72136665653045
oct345315237160
987423184641
1030789680752
111206aa76956
125b7349a354
132b98b7400c
1416c12891cc
15c03113587
hex72b353e70

30789680752 has 10 divisors (see below), whose sum is σ = 59655006488. Its totient is φ = 15394840368.

The previous prime is 30789680749. The next prime is 30789680809. The reversal of 30789680752 is 25708698703.

It is a junction number, because it is equal to n+sod(n) for n = 30789680693 and 30789680702.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 962177508 + ... + 962177539.

Almost surely, 230789680752 is an apocalyptic number.

It is an amenable number.

30789680752 is a deficient number, since it is larger than the sum of its proper divisors (28865325736).

30789680752 is a wasteful number, since it uses less digits than its factorization.

30789680752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1924355055 (or 1924355049 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 55.

The spelling of 30789680752 in words is "thirty billion, seven hundred eighty-nine million, six hundred eighty thousand, seven hundred fifty-two".

Divisors: 1 2 4 8 16 1924355047 3848710094 7697420188 15394840376 30789680752