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20126402363370 = 23515117982730013
BaseRepresentation
bin1001001001110000010110…
…00100000011111111101010
32122021001202120210212121110
410210320023010003333222
510114222333001111440
6110445535215251150
74145041004256462
oct444701304037752
978231676725543
1020126402363370
11645a617492556
12231076b519ab6
13b2cbb0a250a4
144d81a19d0ba2
1524d801e53080
hex124e0b103fea

20126402363370 has 128 divisors (see below), whose sum is σ = 48955648112640. Its totient is φ = 5295125203200.

The previous prime is 20126402363369. The next prime is 20126402363399. The reversal of 20126402363370 is 7336320462102.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 670574484 + ... + 670604496.

It is an arithmetic number, because the mean of its divisors is an integer number (382466000880).

Almost surely, 220126402363370 is an apocalyptic number.

20126402363370 is an abundant number, since it is smaller than the sum of its proper divisors (28829245749270).

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

20126402363370 is a wasteful number, since it uses less digits than its factorization.

20126402363370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31180.

The product of its (nonzero) digits is 217728, while the sum is 39.

The spelling of 20126402363370 in words is "twenty trillion, one hundred twenty-six billion, four hundred two million, three hundred sixty-three thousand, three hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 151 179 302 358 453 537 755 827 895 906 1074 1510 1654 1790 2265 2481 2685 4135 4530 4962 5370 8270 12405 24810 27029 30013 54058 60026 81087 90039 124877 135145 148033 150065 162174 180078 249754 270290 296066 300130 374631 405435 444099 450195 624385 740165 749262 810870 888198 900390 1248770 1480330 1873155 2220495 3746310 4440990 4531963 5372327 9063926 10744654 13595889 16116981 22352983 22659815 24820751 26861635 27191778 32233962 44705966 45319630 49641502 53723270 67058949 67979445 74462253 80584905 111764915 124103755 134117898 135958890 148924506 161169810 223529830 248207510 335294745 372311265 670589490 744622530 811221377 1622442754 2433664131 3747933401 4056106885 4442914429 4867328262 7495866802 8112213770 8885828858 11243800203 12168320655 13328743287 18739667005 22214572145 22487600406 24336641310 26657486574 37479334010 44429144290 56219001015 66643716435 112438002030 133287432870 670880078779 1341760157558 2012640236337 3354400393895 4025280472674 6708800787790 10063201181685 20126402363370