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325487317220 = 225136725174441
BaseRepresentation
bin1001011110010001000…
…11100101000011100100
31011010010202210220002222
410233020203211003210
520313044223122340
6405305442451512
732341610355542
oct4571043450344
91133122726088
10325487317220
11116047117a2a
12530b9063b98
13249022c94c0
1411a7a0dcd92
1587000418b5
hex4bc88e50e4

325487317220 has 96 divisors (see below), whose sum is σ = 750075209856. Its totient is φ = 117912960000.

The previous prime is 325487317219. The next prime is 325487317231. The reversal of 325487317220 is 22713784523.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4335200 + ... + 4409640.

It is an arithmetic number, because the mean of its divisors is an integer number (7813283436).

Almost surely, 2325487317220 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 325487317220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (375037604928).

325487317220 is an abundant number, since it is smaller than the sum of its proper divisors (424587892636).

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

325487317220 is a wasteful number, since it uses less digits than its factorization.

325487317220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74781 (or 74779 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 44.

The spelling of 325487317220 in words is "three hundred twenty-five billion, four hundred eighty-seven million, three hundred seventeen thousand, two hundred twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 67 130 134 251 260 268 335 502 670 871 1004 1255 1340 1742 2510 3263 3484 4355 5020 6526 8710 13052 16315 16817 17420 32630 33634 65260 67268 74441 84085 148882 168170 218621 297764 336340 372205 437242 744410 874484 967733 1093105 1488820 1935466 2186210 3870932 4372420 4838665 4987547 9677330 9975094 18684691 19354660 19950188 24937735 37369382 49875470 64838111 74738764 93423455 99750940 129676222 186846910 242900983 259352444 324190555 373693820 485801966 648381110 971603932 1214504915 1251874297 1296762220 2429009830 2503748594 4858019660 5007497188 6259371485 12518742970 16274365861 25037485940 32548731722 65097463444 81371829305 162743658610 325487317220