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102042031030000 = 245465315626651
BaseRepresentation
bin10111001100111010000011…
…000000101111111011110000
3111101022010022120221221010121
4113030322003000233323300
5101333324034420430000
61001005243434340024
730331202440411345
oct2714720300577360
9441263276857117
10102042031030000
112a571867316996
12b54051988a614
1344c26a347c969
141b2ac098c47cc
15bbe532725b1a
hex5cce8302fef0

102042031030000 has 100 divisors (see below), whose sum is σ = 247432314008088. Its totient is φ = 40754303200000.

The previous prime is 102042031029979. The next prime is 102042031030007. The reversal of 102042031030000 is 30130240201.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102042031030007) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1283326 + ... + 14343325.

Almost surely, 2102042031030000 is an apocalyptic number.

102042031030000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102042031030000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123716157004044).

102042031030000 is an abundant number, since it is smaller than the sum of its proper divisors (145390282978088).

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

102042031030000 is an equidigital number, since it uses as much as digits as its factorization.

102042031030000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15627332 (or 15627311 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 102042031030000 its reverse (30130240201), we get a palindrome (102072161270201).

The spelling of 102042031030000 in words is "one hundred two trillion, forty-two billion, thirty-one million, thirty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 625 653 1000 1250 1306 2000 2500 2612 3265 5000 5224 6530 10000 10448 13060 16325 26120 32650 52240 65300 81625 130600 163250 261200 326500 408125 653000 816250 1306000 1632500 3265000 6530000 15626651 31253302 62506604 78133255 125013208 156266510 250026416 312533020 390666275 625066040 781332550 1250132080 1562665100 1953331375 3125330200 3906662750 6250660400 7813325500 9766656875 10204203103 15626651000 19533313750 20408406206 31253302000 39066627500 40816812412 51021015515 78133255000 81633624824 102042031030 156266510000 163267249648 204084062060 255105077575 408168124120 510210155150 816336248240 1020420310300 1275525387875 2040840620600 2551050775750 4081681241200 5102101551500 6377626939375 10204203103000 12755253878750 20408406206000 25510507757500 51021015515000 102042031030000