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32304130420 = 2254146385087
BaseRepresentation
bin11110000101011110…
…011110100101110100
310002101022220212002211
4132011132132211310
51012124324133140
622501301343204
72222345402152
oct360536364564
9102338825084
1032304130420
1112777926351
126316707b04
13307a855293
1417c64703d2
15c910642ea
hex78579e974

32304130420 has 48 divisors (see below), whose sum is σ = 69644187648. Its totient is φ = 12579114240.

The previous prime is 32304130403. The next prime is 32304130423. The reversal of 32304130420 is 2403140323.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 32304130391 and 32304130400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32304130423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 337117 + ... + 422203.

It is an arithmetic number, because the mean of its divisors is an integer number (1450920576).

Almost surely, 232304130420 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 32304130420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34822093824).

32304130420 is an abundant number, since it is smaller than the sum of its proper divisors (37340057228).

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

32304130420 is a wasteful number, since it uses less digits than its factorization.

32304130420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85600 (or 85598 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 32304130420 its reverse (2403140323), we get a palindrome (34707270743).

The spelling of 32304130420 in words is "thirty-two billion, three hundred four million, one hundred thirty thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 41 82 164 205 410 463 820 926 1852 2315 4630 9260 18983 37966 75932 85087 94915 170174 189830 340348 379660 425435 850870 1701740 3488567 6977134 13954268 17442835 34885670 39395281 69771340 78790562 157581124 196976405 393952810 787905620 1615206521 3230413042 6460826084 8076032605 16152065210 32304130420