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20101200211210 = 2515154913263829
BaseRepresentation
bin1001001001000001011001…
…11001011110110100001010
32122011122201012111220011111
410210200230321132310022
510113314224223224320
6110430210333520534
74143156323435266
oct444405471366412
978148635456144
1020101200211210
11644a964533628
1223078b734314a
13b2a6c565cb11
144d6c908650a6
1524cd2964da5a
hex12482ce5ed0a

20101200211210 has 16 divisors (see below), whose sum is σ = 36182401857000. Its totient is φ = 8040426422976.

The previous prime is 20101200211193. The next prime is 20101200211217. The reversal of 20101200211210 is 1211200210102.

It can be written as a sum of positive squares in 4 ways, for example, as 18227972752929 + 1873227458281 = 4269423^2 + 1368659^2 .

It is a super-2 number, since 2×201012002112102 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20101200211217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5116425 + ... + 8147404.

Almost surely, 220101200211210 is an apocalyptic number.

20101200211210 is a deficient number, since it is larger than the sum of its proper divisors (16081201645790).

20101200211210 is a wasteful number, since it uses less digits than its factorization.

20101200211210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13415385.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20101200211210 its reverse (1211200210102), we get a palindrome (21312400421312).

The spelling of 20101200211210 in words is "twenty trillion, one hundred one billion, two hundred million, two hundred eleven thousand, two hundred ten".

Divisors: 1 2 5 10 151549 303098 757745 1515490 13263829 26527658 66319145 132638290 2010120021121 4020240042242 10050600105605 20101200211210