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30251445024 = 2532331352443
BaseRepresentation
bin11100001011001000…
…000110101100100000
32220002021102122002210
4130023020012230200
5443423332220044
621521453242120
72120442016503
oct341310065440
986067378083
1030251445024
1111914174439
125a43193340
132b114c2438
14166d9bd13a
15bc0c461b9
hex70b206b20

30251445024 has 48 divisors (see below), whose sum is σ = 79750917792. Its totient is φ = 10040529408.

The previous prime is 30251445019. The next prime is 30251445031. The reversal of 30251445024 is 42054415203.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 30251444982 and 30251445000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 653854 + ... + 698589.

It is an arithmetic number, because the mean of its divisors is an integer number (1661477454).

Almost surely, 230251445024 is an apocalyptic number.

It is an amenable number.

30251445024 is an abundant number, since it is smaller than the sum of its proper divisors (49499472768).

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

30251445024 is a wasteful number, since it uses less digits than its factorization.

30251445024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1352689 (or 1352681 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The spelling of 30251445024 in words is "thirty billion, two hundred fifty-one million, four hundred forty-five thousand, twenty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 233 466 699 932 1398 1864 2796 3728 5592 7456 11184 22368 1352443 2704886 4057329 5409772 8114658 10819544 16229316 21639088 32458632 43278176 64917264 129834528 315119219 630238438 945357657 1260476876 1890715314 2520953752 3781430628 5041907504 7562861256 10083815008 15125722512 30251445024