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312300231203100 = 223527148714395811
BaseRepresentation
bin100011100000010010001000…
…0010110000001100100011100
31111221202121111002000001102110
41013000210100112001210130
5311413211333141444400
63024112425014554020
7122531642601561450
oct10700442026014434
91457677432001373
10312300231203100
1190565869955968
122b039a63668910
1310534a297b406a
1457195aa13c660
1526189a43ace50
hex11c091058191c

312300231203100 has 72 divisors (see below), whose sum is σ = 1032672764518528. Its totient is φ = 71382909988800.

The previous prime is 312300231202937. The next prime is 312300231203111. The reversal of 312300231203100 is 1302132003213.

It is a super-2 number, since 2×3123002312031002 (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74357195806 + ... + 74357200005.

Almost surely, 2312300231203100 is an apocalyptic number.

312300231203100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

312300231203100 is an abundant number, since it is smaller than the sum of its proper divisors (720372533315428).

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

312300231203100 is a wasteful number, since it uses less digits than its factorization.

312300231203100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148714395835 (or 148714395828 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 312300231203100 its reverse (1302132003213), we get a palindrome (313602363206313).

The spelling of 312300231203100 in words is "three hundred twelve trillion, three hundred billion, two hundred thirty-one million, two hundred three thousand, one hundred".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 25 28 30 35 42 50 60 70 75 84 100 105 140 150 175 210 300 350 420 525 700 1050 2100 148714395811 297428791622 446143187433 594857583244 743571979055 892286374866 1041000770677 1487143958110 1784572749732 2082001541354 2230715937165 2974287916220 3123002312031 3717859895275 4164003082708 4461431874330 5205003853385 6246004624062 7435719790550 8922863748660 10410007706770 11153579685825 12492009248124 14871439581100 15615011560155 20820015413540 22307159371650 26025019266925 31230023120310 44614318743300 52050038533850 62460046240620 78075057800775 104100077067700 156150115601550 312300231203100