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2210000100012 = 223471373257561
BaseRepresentation
bin100000001010001110010…
…001010101101010101100
321211021101201002020210000
4200022032101111222230
5242202040011200022
64411132055544300
7315444601621425
oct40121621255254
97737351066700
102210000100012
1178228a495151
122b839068b090
1313052c5a7393
1478d70b1c64c
153c74932e6ac
hex2028e455aac

2210000100012 has 120 divisors (see below), whose sum is σ = 5874478216992. Its totient is φ = 724341139200.

The previous prime is 2210000099969. The next prime is 2210000100013. The reversal of 2210000100012 is 2100010000122.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 2210000099967 and 2210000100003.

It is not an unprimeable number, because it can be changed into a prime (2210000100013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 8451712 + ... + 8709272.

Almost surely, 22210000100012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2210000100012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2937239108496).

2210000100012 is an abundant number, since it is smaller than the sum of its proper divisors (3664478116980).

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

2210000100012 is a wasteful number, since it uses less digits than its factorization.

2210000100012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258021 (or 258010 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 2210000100012 its reverse (2100010000122), we get a palindrome (4310010100134).

The spelling of 2210000100012 in words is "two trillion, two hundred ten billion, one hundred thousand, twelve".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 71 81 108 142 162 213 284 324 373 426 639 746 852 1119 1278 1492 1917 2238 2556 3357 3834 4476 5751 6714 7668 10071 11502 13428 20142 23004 26483 30213 40284 52966 60426 79449 105932 120852 158898 238347 257561 317796 476694 515122 715041 772683 953388 1030244 1430082 1545366 2145123 2318049 2860164 3090732 4290246 4636098 6954147 8580492 9272196 13908294 18286831 20862441 27816588 36573662 41724882 54860493 73147324 83449764 96070253 109720986 164581479 192140506 219441972 288210759 329162958 384281012 493744437 576421518 658325916 864632277 987488874 1152843036 1481233311 1729264554 1974977748 2593896831 2962466622 3458529108 5187793662 5924933244 6820987963 7781690493 10375587324 13641975926 15563380986 20462963889 27283951852 31126761972 40925927778 61388891667 81851855556 122777783334 184166675001 245555566668 368333350002 552500025003 736666700004 1105000050006 2210000100012