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30532466140 = 225111729281509
BaseRepresentation
bin11100011011111000…
…000111010111011100
32220210212012222121021
4130123320013113130
51000012302404030
622005412413524
72130423452161
oct343370072734
986725188537
1030532466140
1111a488657a0
125b013172a4
132b577a6817
141699052068
15bda75697a
hex71be075dc

30532466140 has 96 divisors (see below), whose sum is σ = 76615761600. Its totient is φ = 10089246720.

The previous prime is 30532466137. The next prime is 30532466143. The reversal of 30532466140 is 4166423503.

It is an interprime number because it is at equal distance from previous prime (30532466137) and next prime (30532466143).

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 30532466096 and 30532466105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30532466143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32295 + ... + 249214.

It is an arithmetic number, because the mean of its divisors is an integer number (798080850).

Almost surely, 230532466140 is an apocalyptic number.

It is an amenable number.

30532466140 is an abundant number, since it is smaller than the sum of its proper divisors (46083295460).

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

30532466140 is a wasteful number, since it uses less digits than its factorization.

30532466140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281575 (or 281573 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 34.

Adding to 30532466140 its reverse (4166423503), we get a palindrome (34698889643).

The spelling of 30532466140 in words is "thirty billion, five hundred thirty-two million, four hundred sixty-six thousand, one hundred forty".

Divisors: 1 2 4 5 10 11 17 20 22 29 34 44 55 58 68 85 110 116 145 170 187 220 290 319 340 374 493 580 638 748 935 986 1276 1595 1870 1972 2465 3190 3740 4930 5423 6380 9860 10846 21692 27115 54230 108460 281509 563018 1126036 1407545 2815090 3096599 4785653 5630180 6193198 8163761 9571306 12386396 15482995 16327522 19142612 23928265 30965990 32655044 40818805 47856530 52642183 61931980 81637610 89801371 95713060 105284366 138783937 163275220 179602742 210568732 263210915 277567874 359205484 449006855 526421830 555135748 693919685 898013710 1052843660 1387839370 1526623307 1796027420 2775678740 3053246614 6106493228 7633116535 15266233070 30532466140