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20101202212010 = 25173171560123909
BaseRepresentation
bin1001001001000001011010…
…00001000111010010101010
32122011122201100021112202012
410210200231001013102222
510113314230231241020
6110430210444435522
74143156346440443
oct444405501072252
978148640245665
1020101202212010
11644a96567a887
1223078b7b48ba2
13b2a6c5bb071a
144d6c90c262ca
1524cd298e67c5
hex12482d0474aa

20101202212010 has 64 divisors (see below), whose sum is σ = 38435450862240. Its totient is φ = 7542840115200.

The previous prime is 20101202211997. The next prime is 20101202212033. The reversal of 20101202212010 is 1021220210102.

It can be written as a sum of positive squares in 16 ways, for example, as 790301442121 + 19310900769889 = 888989^2 + 4394417^2 .

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 840725936 + ... + 840749844.

Almost surely, 220101202212010 is an apocalyptic number.

20101202212010 is a deficient number, since it is larger than the sum of its proper divisors (18334248650230).

20101202212010 is a wasteful number, since it uses less digits than its factorization.

20101202212010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39851.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20101202212010 its reverse (1021220210102), we get a palindrome (21122422422112).

The spelling of 20101202212010 in words is "twenty trillion, one hundred one billion, two hundred two million, two hundred twelve thousand, ten".

Divisors: 1 2 5 10 17 34 85 170 317 634 1585 3170 5389 10778 15601 23909 26945 31202 47818 53890 78005 119545 156010 239090 265217 406453 530434 812906 1326085 2032265 2652170 4064530 4945517 7579153 9891034 15158306 24727585 37895765 49455170 75791530 84073789 128845601 168147578 257691202 373004309 420368945 644228005 746008618 840737890 1288456010 1865021545 3730043090 6341073253 12682146506 31705366265 63410732530 118242365953 236484731906 591211829765 1182423659530 2010120221201 4020240442402 10050601106005 20101202212010