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312011300200 = 235273161313249
BaseRepresentation
bin1001000101001010101…
…00101001110101101000
31002211100121022022001111
410202211110221311220
520102444343101300
6355200325000104
731353634202305
oct4424524516550
91084317268044
10312011300200
11110361276986
1250577b53034
132356541ba32
141115c4620ac
1581b1e129ba
hex48a5529d68

312011300200 has 96 divisors (see below), whose sum is σ = 735875055000. Its totient is φ = 123009269760.

The previous prime is 312011300189. The next prime is 312011300267. The reversal of 312011300200 is 2003110213.

It can be written as a sum of positive squares in 12 ways, for example, as 15184647076 + 296826653124 = 123226^2 + 544818^2 .

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 23 ways as a sum of consecutive naturals, for example, 23543176 + ... + 23556424.

Almost surely, 2312011300200 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 312011300200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (367937527500).

312011300200 is an abundant number, since it is smaller than the sum of its proper divisors (423863754800).

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

312011300200 is a wasteful number, since it uses less digits than its factorization.

312011300200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14951 (or 14942 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 312011300200 its reverse (2003110213), we get a palindrome (314014410413).

The spelling of 312011300200 in words is "three hundred twelve billion, eleven million, three hundred thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 73 100 146 200 292 365 584 730 1460 1613 1825 2920 3226 3650 6452 7300 8065 12904 13249 14600 16130 26498 32260 40325 52996 64520 66245 80650 105992 117749 132490 161300 235498 264980 322600 331225 470996 529960 588745 662450 941992 967177 1177490 1324900 1934354 2354980 2649800 2943725 3868708 4709960 4835885 5887450 7737416 9671770 11774900 19343540 21370637 23549800 24179425 38687080 42741274 48358850 85482548 96717700 106853185 170965096 193435400 213706370 427412740 534265925 854825480 1068531850 1560056501 2137063700 3120113002 4274127400 6240226004 7800282505 12480452008 15600565010 31201130020 39001412525 62402260040 78002825050 156005650100 312011300200