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868389000048 = 243286311096301
BaseRepresentation
bin11001010001100000000…
…01001001001101110000
310002000110112002220101100
430220300001021031300
5103211430041000143
61502533222004400
7116511326465553
oct14506001111560
93060415086340
10868389000048
11305310a51749
12120371876700
1363b727094cb
143005d02269a
15178c727e6d3
hexca30049370

868389000048 has 120 divisors (see below), whose sum is σ = 2435679642240. Its totient is φ = 288821030400.

The previous prime is 868389000043. The next prime is 868389000053. The reversal of 868389000048 is 840000983868.

It is an interprime number because it is at equal distance from previous prime (868389000043) and next prime (868389000053).

It is a junction number, because it is equal to n+sod(n) for n = 868388999958 and 868389000003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868389000043) 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, 137814498 + ... + 137820798.

It is an arithmetic number, because the mean of its divisors is an integer number (20297330352).

Almost surely, 2868389000048 is an apocalyptic number.

It is an amenable number.

868389000048 is an abundant number, since it is smaller than the sum of its proper divisors (1567290642192).

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

868389000048 is a wasteful number, since it uses less digits than its factorization.

868389000048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8287 (or 8278 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 54.

The spelling of 868389000048 in words is "eight hundred sixty-eight billion, three hundred eighty-nine million, forty-eight", and thus it is an aban number.

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 863 1109 1726 2218 2589 3327 3452 4436 5178 6301 6654 6904 7767 8872 9981 10356 12602 13308 13808 15534 17744 18903 19962 20712 25204 26616 31068 37806 39924 41424 50408 53232 56709 62136 75612 79848 100816 113418 124272 151224 159696 226836 302448 453672 907344 957067 1914134 2871201 3828268 5437763 5742402 6987809 7656536 8613603 10875526 11484804 13975618 15313072 16313289 17227206 20963427 21751052 22969608 27951236 32626578 34454412 41926854 43502104 45939216 48939867 55902472 62890281 65253156 68908824 83853708 87004208 97879734 111804944 125780562 130506312 137817648 167707416 195759468 251561124 261012624 335414832 391518936 503122248 783037872 1006244496 6030479167 12060958334 18091437501 24121916668 36182875002 48243833336 54274312503 72365750004 96487666672 108548625006 144731500008 217097250012 289463000016 434194500024 868389000048