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430212521240 = 23510755313031
BaseRepresentation
bin1100100001010101010…
…10100001110100011000
31112010110020202110200222
412100222222201310120
524022033401134430
6525345323215212
743040032044215
oct6205252416430
91463406673628
10430212521240
111564a7830817
126b465377508
1331751a52a48
1416b7292cb0c
15b2ce0019e5
hex642aaa1d18

430212521240 has 16 divisors (see below), whose sum is σ = 967978172880. Its totient is φ = 172085008480.

The previous prime is 430212521239. The next prime is 430212521273. The reversal of 430212521240 is 42125212034.

It is a super-2 number, since 2×4302125212402 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5377656476 + ... + 5377656555.

It is an arithmetic number, because the mean of its divisors is an integer number (60498635805).

Almost surely, 2430212521240 is an apocalyptic number.

430212521240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

430212521240 is an abundant number, since it is smaller than the sum of its proper divisors (537765651640).

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

430212521240 is a wasteful number, since it uses less digits than its factorization.

430212521240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10755313042 (or 10755313038 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 430212521240 its reverse (42125212034), we get a palindrome (472337733274).

The spelling of 430212521240 in words is "four hundred thirty billion, two hundred twelve million, five hundred twenty-one thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 10755313031 21510626062 43021252124 53776565155 86042504248 107553130310 215106260620 430212521240