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6309830820 = 2235602917443
BaseRepresentation
bin1011110000001100…
…00110000010100100
3121021202001121122210
411320012012002210
5100410304041240
62522041323420
7312235451136
oct57006060244
917252047583
106309830820
11274880a317
121281196570
13797329407
1443c021056
1526de39780
hex1781860a4

6309830820 has 48 divisors (see below), whose sum is σ = 17671469760. Its totient is φ = 1682246016.

The previous prime is 6309830753. The next prime is 6309830831. The reversal of 6309830820 is 280389036.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 353019 + ... + 370461.

It is an arithmetic number, because the mean of its divisors is an integer number (368155620).

Almost surely, 26309830820 is an apocalyptic number.

6309830820 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6309830820 is an abundant number, since it is smaller than the sum of its proper divisors (11361638940).

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

6309830820 is a wasteful number, since it uses less digits than its factorization.

6309830820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23484 (or 23482 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 6309830820 is about 79434.4435367933. The cubic root of 6309830820 is about 1847.8749224298.

The spelling of 6309830820 in words is "six billion, three hundred nine million, eight hundred thirty thousand, eight hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 6029 12058 17443 18087 24116 30145 34886 36174 52329 60290 69772 72348 87215 90435 104658 120580 174430 180870 209316 261645 348860 361740 523290 1046580 105163847 210327694 315491541 420655388 525819235 630983082 1051638470 1261966164 1577457705 2103276940 3154915410 6309830820