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30537246324 = 223131427137177
BaseRepresentation
bin11100011100001010…
…010110011001110100
32220211012012211210010
4130130022112121310
51000020013340244
622010103100220
72130512211444
oct343412263164
986735184703
1030537246324
1111a50530162
125b02a41670
132b5878b530
141699938124
15bdad9ceb9
hex71c296674

30537246324 has 48 divisors (see below), whose sum is σ = 76788952128. Its totient is φ = 9389422848.

The previous prime is 30537246293. The next prime is 30537246343. The reversal of 30537246324 is 42364273503.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154024 + ... + 291200.

It is an arithmetic number, because the mean of its divisors is an integer number (1599769836).

Almost surely, 230537246324 is an apocalyptic number.

It is an amenable number.

30537246324 is an abundant number, since it is smaller than the sum of its proper divisors (46251705804).

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

30537246324 is a wasteful number, since it uses less digits than its factorization.

30537246324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138624 (or 138622 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 39.

The spelling of 30537246324 in words is "thirty billion, five hundred thirty-seven million, two hundred forty-six thousand, three hundred twenty-four".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 1427 2854 4281 5708 8562 17124 18551 37102 55653 74204 111306 137177 222612 274354 411531 548708 823062 1646124 1783301 3566602 5349903 7133204 10699806 21399612 195751579 391503158 587254737 783006316 1174509474 2349018948 2544770527 5089541054 7634311581 10179082108 15268623162 30537246324