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102222222010000 = 245453192872117
BaseRepresentation
bin10111001111100001110111…
…001110110010011010010000
3111101221100102102002010200121
4113033201313032302122100
5101344302102313310000
61001224123540400024
730350211645440431
oct2717416716623220
9441840372063617
10102222222010000
112a631223440184
12b56b4273a6014
13450668b840a11
141b35820bd5488
15bc407baa5b1a
hex5cf8773b2690

102222222010000 has 100 divisors (see below), whose sum is σ = 252159849840492. Its totient is φ = 40117400128000.

The previous prime is 102222222009979. The next prime is 102222222010001. The reversal of 102222222010000 is 10222222201.

It can be written as a sum of positive squares in 10 ways, for example, as 57625042125456 + 44597179884544 = 7591116^2 + 6678112^2 .

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 not an unprimeable number, because it can be changed into a prime (102222222010001) 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, 95906059 + ... + 96966058.

Almost surely, 2102222222010000 is an apocalyptic number.

102222222010000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102222222010000 is an abundant number, since it is smaller than the sum of its proper divisors (149937627830492).

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

102222222010000 is an equidigital number, since it uses as much as digits as its factorization.

102222222010000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192872198 (or 192872177 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 102222222010000 its reverse (10222222201), we get a palindrome (102232444232201).

102222222010000 divided by its reverse (10222222201) gives a 4-th power (10000 = 104).

The spelling of 102222222010000 in words is "one hundred two trillion, two hundred twenty-two billion, two hundred twenty-two million, ten thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 53 80 100 106 125 200 212 250 265 400 424 500 530 625 848 1000 1060 1250 1325 2000 2120 2500 2650 4240 5000 5300 6625 10000 10600 13250 21200 26500 33125 53000 66250 106000 132500 265000 530000 192872117 385744234 771488468 964360585 1542976936 1928721170 3085953872 3857442340 4821802925 7714884680 9643605850 10222222201 15429769360 19287211700 20444444402 24109014625 38574423400 40888888804 48218029250 51111111005 77148846800 81777777608 96436058500 102222222010 120545073125 163555555216 192872117000 204444444020 241090146250 255555555025 385744234000 408888888040 482180292500 511111110050 817777776080 964360585000 1022222220100 1277777775125 1928721170000 2044444440200 2555555550250 4088888880400 5111111100500 6388888875625 10222222201000 12777777751250 20444444402000 25555555502500 51111111005000 102222222010000