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6325172420 = 2257317192027
BaseRepresentation
bin1011110010000001…
…00111100011000100
3121022210221001101012
411321000213203010
5100423221004140
62523350221352
7312513035630
oct57100474304
917283831335
106325172420
112756438726
121286354858
1379a56b398
14440095dc0
1527046a265
hex1790278c4

6325172420 has 96 divisors (see below), whose sum is σ = 15699640320. Its totient is φ = 2094721920.

The previous prime is 6325172323. The next prime is 6325172437. The reversal of 6325172420 is 242715236.

It is a super-2 number, since 2×63251724202 = 80015612285457312800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3119447 + ... + 3121473.

It is an arithmetic number, because the mean of its divisors is an integer number (163537920).

Almost surely, 26325172420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6325172420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7849820160).

6325172420 is an abundant number, since it is smaller than the sum of its proper divisors (9374467900).

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

6325172420 is a wasteful number, since it uses less digits than its factorization.

6325172420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2793 (or 2791 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 6325172420 is about 79530.9525907995. The cubic root of 6325172420 is about 1849.3713393533.

Adding to 6325172420 its reverse (242715236), we get a palindrome (6567887656).

The spelling of 6325172420 in words is "six billion, three hundred twenty-five million, one hundred seventy-two thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 31 35 62 70 124 140 155 217 310 434 620 719 868 1085 1438 2027 2170 2876 3595 4054 4340 5033 7190 8108 10066 10135 14189 14380 20132 20270 22289 25165 28378 40540 44578 50330 56756 62837 70945 89156 100660 111445 125674 141890 156023 222890 251348 283780 312046 314185 439859 445780 624092 628370 780115 879718 1256740 1457413 1560230 1759436 2199295 2914826 3120460 4398590 5829652 7287065 8797180 10201891 14574130 20403782 29148260 40807564 45179803 51009455 90359606 102018910 180719212 204037820 225899015 316258621 451798030 632517242 903596060 1265034484 1581293105 3162586210 6325172420