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312000002000 = 2453438940763
BaseRepresentation
bin1001000101001001010…
…01100011011111010000
31002211022211001021211122
410202210221203133100
520102434000031000
6355155242501412
731353436155041
oct4424451433720
91084284037748
10312000002000
1111035595a425
1250574204868
1323562c942cb
141115ab608c8
1581b0e30085
hex48a4a637d0

312000002000 has 160 divisors (see below), whose sum is σ = 780653427840. Its totient is φ = 120525081600.

The previous prime is 312000001997. The next prime is 312000002033. The reversal of 312000002000 is 200000213.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a congruent number.

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, 7633619 + ... + 7674381.

It is an arithmetic number, because the mean of its divisors is an integer number (4879083924).

Almost surely, 2312000002000 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 312000002000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (390326713920).

312000002000 is an abundant number, since it is smaller than the sum of its proper divisors (468653425840).

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

312000002000 is a wasteful number, since it uses less digits than its factorization.

312000002000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40918 (or 40902 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

Adding to 312000002000 its reverse (200000213), we get a palindrome (312200002213).

The spelling of 312000002000 in words is "three hundred twelve billion, two thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 43 50 80 86 89 100 125 172 178 200 215 250 344 356 400 430 445 500 688 712 860 890 1000 1075 1424 1720 1780 2000 2150 2225 3440 3560 3827 4300 4450 5375 7120 7654 8600 8900 10750 11125 15308 17200 17800 19135 21500 22250 30616 35600 38270 40763 43000 44500 61232 76540 81526 86000 89000 95675 153080 163052 178000 191350 203815 306160 326104 382700 407630 478375 652208 765400 815260 956750 1019075 1530800 1630520 1752809 1913500 2038150 3261040 3505618 3627907 3827000 4076300 5095375 7011236 7255814 7654000 8152600 8764045 10190750 14022472 14511628 16305200 17528090 18139535 20381500 28044944 29023256 35056180 36279070 40763000 43820225 58046512 70112360 72558140 81526000 87640450 90697675 140224720 145116280 156000001 175280900 181395350 219101125 290232560 312000002 350561800 362790700 438202250 453488375 624000004 701123600 725581400 780000005 876404500 906976750 1248000008 1451162800 1560000010 1752809000 1813953500 2496000016 3120000020 3505618000 3627907000 3900000025 6240000040 7255814000 7800000050 12480000080 15600000100 19500000125 31200000200 39000000250 62400000400 78000000500 156000001000 312000002000