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26206442000 = 245323356237
BaseRepresentation
bin11000011010000001…
…101001001000010000
32111122101001012002222
4120122001221020100
5412132322121000
620012235000212
71615264036664
oct303201511020
974571035088
1026206442000
1110128942832
1250b4599068
132618474c1b
1413a86b28a4
15a35a81a85
hex61a069210

26206442000 has 80 divisors (see below), whose sum is σ = 63640270512. Its totient is φ = 10437401600.

The previous prime is 26206441993. The next prime is 26206442011. The reversal of 26206442000 is 24460262.

It can be written as a sum of positive squares in 8 ways, for example, as 11991126016 + 14215315984 = 109504^2 + 119228^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 437882 + ... + 494118.

Almost surely, 226206442000 is an apocalyptic number.

26206442000 is a gapful number since it is divisible by the number (20) 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 26206442000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31820135256).

26206442000 is an abundant number, since it is smaller than the sum of its proper divisors (37433828512).

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

26206442000 is a wasteful number, since it uses less digits than its factorization.

26206442000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56493 (or 56477 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The spelling of 26206442000 in words is "twenty-six billion, two hundred six million, four hundred forty-two thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 233 250 400 466 500 932 1000 1165 1864 2000 2330 3728 4660 5825 9320 11650 18640 23300 29125 46600 56237 58250 93200 112474 116500 224948 233000 281185 449896 466000 562370 899792 1124740 1405925 2249480 2811850 4498960 5623700 7029625 11247400 13103221 14059250 22494800 26206442 28118500 52412884 56237000 65516105 104825768 112474000 131032210 209651536 262064420 327580525 524128840 655161050 1048257680 1310322100 1637902625 2620644200 3275805250 5241288400 6551610500 13103221000 26206442000