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30426721444530 = 23252591130480387
BaseRepresentation
bin1101110101100010001011…
…11011000110001010110010
310222201202200112101011020200
412322301011323012022302
512442002411142211110
6144413502020420030
76260154344000265
oct672610573061262
9128652615334220
1030426721444530
11977099a03a204
1234b4a9b547616
1313c92c5b2b118
147729383a0cdc
1537b7075826c0
hex1bac45ec62b2

30426721444530 has 48 divisors (see below), whose sum is σ = 79140008772864. Its totient is φ = 8110660793760.

The previous prime is 30426721444417. The next prime is 30426721444541. The reversal of 30426721444530 is 3544412762403.

30426721444530 is a `hidden beast` number, since 3 + 0 + 4 + 2 + 6 + 72 + 1 + 4 + 44 + 530 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 23 ways as a sum of consecutive naturals, for example, 65007004 + ... + 65473383.

It is an arithmetic number, because the mean of its divisors is an integer number (1648750182768).

Almost surely, 230426721444530 is an apocalyptic number.

30426721444530 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30426721444530 is an abundant number, since it is smaller than the sum of its proper divisors (48713287328334).

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

30426721444530 is a wasteful number, since it uses less digits than its factorization.

30426721444530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130482991 (or 130482988 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 45.

The spelling of 30426721444530 in words is "thirty trillion, four hundred twenty-six billion, seven hundred twenty-one million, four hundred forty-four thousand, five hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 2591 5182 7773 12955 15546 23319 25910 38865 46638 77730 116595 233190 130480387 260960774 391441161 652401935 782882322 1174323483 1304803870 1957205805 2348646966 3914411610 5871617415 11743234830 338074682717 676149365434 1014224048151 1690373413585 2028448096302 3042672144453 3380746827170 5071120240755 6085344288906 10142240481510 15213360722265 30426721444530