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252512105200 = 245219113294029
BaseRepresentation
bin1110101100101011100…
…1001111001011110000
3220010210000002000121121
43223022321033023300
513114121044331300
6312000310432024
724146325323425
oct3531271171360
9803700060547
10252512105200
11980a9556053
1240b31962614
131aa72669184
14c3162d3d4c
15687d63681a
hex3acae4f2f0

252512105200 has 120 divisors (see below), whose sum is σ = 644243252400. Its totient is φ = 94841671680.

The previous prime is 252512105189. The next prime is 252512105207. The reversal of 252512105200 is 2501215252.

It is a super-3 number, since 3×2525121052003 (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252512105207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 711786 + ... + 1005814.

It is an arithmetic number, because the mean of its divisors is an integer number (5368693770).

Almost surely, 2252512105200 is an apocalyptic number.

252512105200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 252512105200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (322121626200).

252512105200 is an abundant number, since it is smaller than the sum of its proper divisors (391731147200).

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

252512105200 is a wasteful number, since it uses less digits than its factorization.

252512105200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294179 (or 294168 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The spelling of 252512105200 in words is "two hundred fifty-two billion, five hundred twelve million, one hundred five thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 19 20 25 38 40 50 76 80 95 100 113 152 190 200 226 304 380 400 452 475 565 760 904 950 1130 1520 1808 1900 2147 2260 2825 3800 4294 4520 5650 7600 8588 9040 10735 11300 17176 21470 22600 34352 42940 45200 53675 85880 107350 171760 214700 294029 429400 588058 858800 1176116 1470145 2352232 2940290 4704464 5586551 5880580 7350725 11173102 11761160 14701450 22346204 23522320 27932755 29402900 33225277 44692408 55865510 58805800 66450554 89384816 111731020 117611600 132901108 139663775 166126385 223462040 265802216 279327550 332252770 446924080 531604432 558655100 631280263 664505540 830631925 1117310200 1262560526 1329011080 1661263850 2234620400 2525121052 2658022160 3156401315 3322527700 5050242104 6312802630 6645055400 10100484208 12625605260 13290110800 15782006575 25251210520 31564013150 50502421040 63128026300 126256052600 252512105200