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312000313300 = 225213237498961
BaseRepresentation
bin1001000101001001010…
…10101111011111010100
31002211022211122002212021
410202210222233133110
520102434040011200
6355155253302524
731353441622444
oct4424452573724
91084284562767
10312000313300
111103560522a5
1250574334a44
1323563072c00
141115ac02124
1581b0e9241a
hex48a4aaf7d4

312000313300 has 108 divisors (see below), whose sum is σ = 752942639316. Its totient is φ = 112086374400.

The previous prime is 312000313279. The next prime is 312000313301. The reversal of 312000313300 is 3313000213.

It can be written as a sum of positive squares in 18 ways, for example, as 148074118416 + 163926194884 = 384804^2 + 404878^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312000313301) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 375820 + ... + 874780.

Almost surely, 2312000313300 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 312000313300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (376471319658).

312000313300 is an abundant number, since it is smaller than the sum of its proper divisors (440942326016).

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

312000313300 is a wasteful number, since it uses less digits than its factorization.

312000313300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499038 (or 499018 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 16.

Adding to 312000313300 its reverse (3313000213), we get a palindrome (315313313513).

The spelling of 312000313300 in words is "three hundred twelve billion, three hundred thirteen thousand, three hundred".

Divisors: 1 2 4 5 10 13 20 25 26 37 50 52 65 74 100 130 148 169 185 260 325 338 370 481 650 676 740 845 925 962 1300 1690 1850 1924 2405 3380 3700 4225 4810 6253 8450 9620 12025 12506 16900 24050 25012 31265 48100 62530 125060 156325 312650 498961 625300 997922 1995844 2494805 4989610 6486493 9979220 12474025 12972986 18461557 24948050 25945972 32432465 36923114 49896100 64864930 73846228 84324409 92307785 129729860 162162325 168648818 184615570 240000241 324324650 337297636 369231140 421622045 461538925 480000482 648649300 843244090 923077850 960000964 1200001205 1686488180 1846155700 2108110225 2400002410 3120003133 4216220450 4800004820 6000006025 6240006266 8432440900 12000012050 12480012532 15600015665 24000024100 31200031330 62400062660 78000078325 156000156650 312000313300